| 自分 | じぶん | myself; yourself; oneself; himself | n5 |
| 部分 | ぶぶん | portion; section; part | n3 |
| 分かる | わかる | to understand; to comprehend; to grasp; to see | n5 |
| 十分 | じゅうぶん | enough; sufficient; plenty; adequate | n5 |
| 分る | わかる | to understand; to comprehend; to grasp; to see | n5 |
| 分ける | わける | to divide (into); to split (into); to part; to separate | n4 |
| 半分 | はんぶん | half | n5 |
| 分類 | ぶんるい | classification; categorization; sorting | n3 |
| 気分 | きぶん | feeling; mood | n4 |
| 時分 | じぶん | time; hour; season; suitable time | n5 |
| 随分 | ずいぶん | very; extremely; surprisingly; fairly | n3 |
| 隨分 | ずいぶん | very; extremely; surprisingly; fairly | n3 |
| 多分 | たぶん | probably; likely; perhaps; maybe | n4 |
| 使い分け | つかいわけ | proper use; using (different things) for different purposes | |
| 大分 | だいぶ | considerably; greatly; a lot | n2 |
| 分析 | ぶんせき | analysis | n2 |
| 充分 | じゅうぶん | enough; sufficient; plenty; adequate | n5 |
| 身分 | みぶん | (social) standing; status; position; rank | n2 |
| 分 | ふん | minute (unit of time); fun (one tenth of a monme, 5.787 grains) | n5 |
| 分野 | ぶんや | field; sphere; realm; division | n2 |
| 処分 | しょぶん | disposal; throwing away; selling off; dealing with (a problem) | n1 |
| 成分 | せいぶん | ingredient; component; composition | n2 |
| 分つ | わかつ | to divide; to separate; to share; to distribute | |
| 幾分 | いくぶん | somewhat; to some extent; to some degree; some | |
| 当分 | とうぶん | for the present; for the time being; for a while (from now); for some time (to come) | n1 |
| 使い分ける | つかいわける | to use properly; to use (different things) for different purposes | n2 |
| 不十分 | ふじゅうぶん | insufficient; inadequate; imperfect | n2 |
| 分布 | ぶんぷ | distribution | |
| 水分 | すいぶん | water; liquid; fluid; moisture | n2 |
| 分かりやすい | わかりやすい | easy-to-understand | |
| 区分 | くぶん | division; section; demarcation; partition | n2 |
| 見分ける | みわける | to distinguish; to recognize; to recognise; to tell apart | n2 |
| 親分 | おやぶん | boss; leader; kingpin; chief | |
| 分離 | ぶんり | separation; partition; detachment; segregation | |
| 何分 | なにぶん | some; any; (a) little; of some kind | |
| 分別 | ふんべつ | discretion; prudence; good sense; judgement | n2 |
| 分かれる | わかれる | to branch; to fork; to diverge; to separate | n3 |
| 夜分 | やぶん | evening; night; nighttime | |
| 分子 | ぶんし | molecule; numerator; element (of a group); member | |
| 分解 | ぶんかい | disassembly; dismantling; disaggregating; taking apart | n2 |
| 一部分 | いちぶぶん | one part; one portion; one section | n3 |
| 分割 | ぶんかつ | partition; division; separation; segmenting | n2 |
| 分裂 | ぶんれつ | split; division; break up | n2 |
| 存分 | ぞんぶん | to one's heart's content; as much as one likes; without reserve; freely | |
| 分散 | ぶんさん | dispersion; breakup; scattering; decentralization | n1 |
| 性分 | しょうぶん | nature; disposition | |
| 分量 | ぶんりょう | amount; quantity; measuring; weighing | n2 |
| 子分 | こぶん | henchman; follower; adopted child | |
| 分り | わかり | understanding; comprehension | |
| 大分県 | おおいたけん | Ōita Prefecture (Kyūshū) | |
| 大分縣 | おおいたけん | Ōita Prefecture (Kyūshū) | |
| 分泌 | ぶんぴつ | secretion | n1 |
| 余分 | よぶん | extra; excess; surplus | n1 |
| 見分け | みわけ | distinction | n2 |
| 分担 | ぶんたん | taking on one's share (e.g. of work); dividing (work, expenses, etc.) between; apportionment; allotment | n2 |
| 分配 | ぶんぱい | division; splitting; sharing; distribution | n2 |
| 寸分 | すんぶん | tiny bit | |
| 自分自身 | じぶんじしん | oneself; myself | n3 |
| 塩分 | えんぶん | salt; salt content; amount of salt; salinity | n2 |
| 申し分 | もうしぶん | complaint; protest; objection; fault | |
| 領分 | りょうぶん | territory; domain; dominion; possession | n1 |
| 天分 | てんぶん | one's nature; talents; destiny; mission | |
| 二分 | にぶん | halving; dividing (into two parts); bisection; the two equinoxes (vernal and autumnal) | |
| 自分勝手 | じぶんかって | selfishness; egotism; egoism; (being) self-centered | |
| 思う存分 | おもうぞんぶん | to one's heart's content; to one's complete satisfaction; as much as one likes; heartily | n2 |
| 分明 | ふんみょう | clearness; clear understanding | n1 |
| 分娩 | ぶんべん | childbirth; delivery | |
| 今時分 | いまじぶん | about this time | |
| 分化 | ぶんか | specialization; specialisation; differentiation | n1 |
| 分岐 | ぶんき | divergence; ramification; bifurcation; branching off | |
| 等分 | とうぶん | division into equal parts; equal parts | n1 |
| 配分 | はいぶん | distribution; allotment | n1 |
| 言い分 | いいぶん | one's say; one's point; one's case; one's claim | n1 |
| 分際 | ぶんざい | one's social standing; one's position; one's place; one's station in life | |
| 仮処分 | かりしょぶん | provisional disposition; temporary injunction | |
| 節分 | せつぶん | setsubun; last day of winter in the traditional Japanese calendar (usu. February 3 or 4) on which a bean scattering ceremony is held; last day of any season (according to the traditional Japanese calendar) | |
| 手分け | てわけ | division of work; sharing out the work; splitting into groups (e.g. to search for someone); separating into parties | n1 |
| 区分け | くわけ | division; section; demarcation; (traffic) lane | |
| 大部分 | だいぶぶん | most part; greater part; majority | n3 |
| 分家 | ぶんけ | branch family; cadet family; establishing a branch family | |
| 分厚い | ぶあつい | thick; bulky; massive; heavy | n2 |
| 分かつ | わかつ | to divide; to separate; to share; to distribute | |
| 無分別 | むふんべつ | thoughtlessness; indiscretion | |
| 本分 | ほんぶん | one's duty; one's part | n3 |
| 検分 | けんぶん | inspection; examination; survey | n1 |
| 不充分 | ふじゅうぶん | insufficient; inadequate; imperfect | n2 |
| 追分 | おいわけ | forked road | |
| 遺産分割 | いさんぶんかつ | partition of an estate (inheritance) | |
| 職分 | しょくぶん | one's duty; vocation | |
| 分身 | ぶんしん | other self; alter ego; part of oneself (in someone or something else); representation of oneself | n1 |
| 過分 | かぶん | excessive; unmerited; generous; past participle | |
| 押し分ける | おしわける | to push aside | |
| 分限 | ぶげん | social standing; wealth | |
| 掻き分ける | かきわける | to push aside; to push one's way through | |
| 分譲 | ぶんじょう | selling (real-estate) lots | |
| 士分 | しぶん | status of samurai | |
| 野分 | のわき | typhoon in the early autumn | |
| 鉄分 | てつぶん | iron (content) | |
| 分業 | ぶんぎょう | division of labor; division of labour; specialization; specialisation | n1 |
| 無痛分娩 | むつうぶんべん | obstetric analgesia during labor and delivery (e.g. epidural); painless childbirth | |
| 分派 | ぶんぱ | faction; branch; sect; denomination | |
| 六分儀 | ろくぶんぎ | sextant | |
| 引き分け | ひきわけ | draw (in competition); tie game | |
| 九分 | くぶ | nine parts; ninety percent; mostly; nine percent | |
| 微分 | びぶん | differentiation; differential; derivative | |
| 差分 | さぶん | incremental difference (e.g. between files); diff; difference; subtraction | |
| 聞き分ける | ききわける | to recognize (by sound); to identify; to differentiate (voices, sounds, etc.); to distinguish | |
| 糖分 | とうぶん | amount of sugar; sugar content | n1 |
| かき分ける | かきわける | to push aside; to push one's way through | |
| 存分に | ぞんぶんに | to one's heart's content; as much as one likes; freely; unreservedly | |
| 重回帰分析 | じゅうかいきぶんせき | multiple regression analysis | |
| 部分的 | ぶぶんてき | partial | n1 |
| 数分 | すうふん | several minutes; a few minutes | |
| 水分補給 | すいぶんほきゅう | hydration; rehydration; to hydrate; to rehydrate | |
| 遺留分 | いりゅうぶん | heir's distributive share | |
| 分数 | ぶんすう | fraction | |
| 国分寺 | こくぶんじ | state-supported provincial temple (Nara period) | |
| 懲戒処分 | ちょうかいしょぶん | disciplinary measures; (judicial) sanctions | |
| 仕分け | しわけ | classification; sorting (out); grouping; assortment | n1 |
| 五分 | ごぶ | half; 50%; 5 parts; 5% | |
| 養分 | ようぶん | nutrient; nourishment | n2 |
| 見分 | けんぶん | inspection; examination; survey | n1 |
| 分捕る | ぶんどる | to plunder; to capture; to seize; to snatch away | |
| 兄弟分 | きょうだいぶん | sworn brother; buddy; pal | |
| 名分 | めいぶん | moral duty; moral obligations; justification; pretext | |
| 四半分 | しはんぶん | a fourth; quarter | |
| 主成分 | しゅせいぶん | main ingredient; main component | |
| 自己分析 | じこぶんせき | self-analysis; autoanalysis | |
| 分立 | ぶんりつ | segregation; separation; independence | |
| 大義名分 | たいぎめいぶん | just cause; good reason; pretext; justification | |
| 取り分ける | とりわける | to distribute; to portion out; to deal out; to dish out | |
| 春分 | しゅんぶん | vernal equinox; spring equinox | |
| 積分 | せきぶん | integration; integral | |
| 財産分与 | ざいさんぶんよ | distribution of property | |
| 分銅 | ふんどう | weight (for scales); counterweight | |
| 分け前 | わけまえ | share; portion; quota; cut | |
| 切り分ける | きりわける | to cut and divide; to cut up; to cut into pieces; to carve (up) | |
| 客分 | きゃくぶん | treatment as a guest; guest | |
| 御多分 | ごたぶん | the majority (of people); majority view; behaviour of the majority | |
| 分け | わけ | division; splitting; classification; sharing | n3 |
| 専門分野 | せんもんぶんや | area of expertise; (one's) field; (one's) line | |
| 分かりにくい | わかりにくい | hard to understand; incomprehensible; unintelligible | |
| 不可分 | ふかぶん | inseparable; indivisible; undetachable | n1 |
| 分断 | ぶんだん | dividing into parts | |
| 回帰分析 | かいきぶんせき | regression analysis | |
| 九分九厘 | くぶくりん | almost certainly; in all probability; ten to one; in ninety-nine cases out of a hundred | |
| 分与 | ぶんよ | distribution; allocation; dispensation; impartation | |
| 役割分担 | やくわりぶんたん | division (distribution) of roles; role-sharing | |
| ご多分 | ごたぶん | the majority (of people); majority view; behaviour of the majority | |
| 踏み分ける | ふみわける | to push through (a crowd, vegetation, etc.) | |
| 分冊 | ぶんさつ | separate volume; fascicle; fascicule | |
| 部分日食 | ぶぶんにっしょく | partial solar eclipse | |
| 栄養成分 | えいようせいぶん | nutrient composition; nutritional composition; nutritional information | |
| 分水嶺 | ぶんすいれい | watershed; divide; turning point; watershed (moment) | |
| 停学処分 | ていがくしょぶん | suspension from school | |
| 引き分ける | ひきわける | to pull apart; to separate; to draw; to tie (a game) | |
| 振り分ける | ふりわける | to divide in two; to divide in half; to divide (among); to apportion | |
| 押分ける | おしわける | to push aside | |
| 分け合う | わけあう | to share | |
| 選り分ける | よりわける | to classify; to sort out; to sift through | |
| 気分転換 | きぶんてんかん | change of pace; change of mood; (mental) break (e.g. going for a walk); refreshment | n2 |
| 分科会 | ぶんかかい | subcommittee; subworking group; breakout session | |
| 弟分 | おとうとぶん | sworn younger brother; junior male peer (in a club, group, etc.) | |
| 分限者 | ぶげんじゃ | rich man; man of wealth | |
| 小分け | こわけ | subdivision | |
| 四分五裂 | しぶんごれつ | torn asunder; disrupted and disorganized | |
| 油分 | ゆぶん | oil content | |
| 内分泌 | ないぶんぴつ | endocrine; incretion; internal secretion | |
| 5分 | ごふん | five minutes | |
| 身分制度 | みぶんせいど | class system | |
| 分科 | ぶんか | department; section; branch; course | n4 |
| 栄養分 | えいようぶん | nutrient; nutrition | |
| 千分 | せんぶん | division by 1000; one-thousandth | |
| 行政処分 | ぎょうせいしょぶん | administrative measures (disposition) | |
| 分乗 | ぶんじょう | riding separately | |
| 四分 | しぶん | dividing into four; quartering | |
| 分岐点 | ぶんきてん | fork; junction; diverging point; turning point (e.g. in one's life) | |
| 細分化 | さいぶんか | subdivision; segmentation; fractionalization; fragmentation | |
| 五分五分 | ごぶごぶ | as likely as not; fifty-fifty; even match; tie | |
| 書き分ける | かきわける | to distinguish in writing; to use different writing styles; to draw (identifiably) | |
| 年分 | ねんぶん | yearly amount | |
| 分相応 | ぶんそうおう | within one's means | |
| 塩分濃度 | えんぶんのうど | salinity | |
| 内分 | ないぶん | secret; confidential | |
| 物分り | ものわかり | understanding (of people's circumstances and feelings); perceptiveness; sympathy; wisdom | |
| 山分け | やまわけ | equal division (of profits, prize money, etc.); equal split | |
| 分け与える | わけあたえる | to distribute; to hand out | n1 |
| 分隊 | ぶんたい | squad; section; (naval) division; detachment | n2 |
| 取り分け | とりわけ | especially; particularly; above all; portioning out (servings of food) | n2 |
| 聞き分け | ききわけ | reasonableness (esp. of children); obedience | n1 |
| 分ち | わかち | distinction; differentiation; discrimination | |
| 秋分 | しゅうぶん | autumnal equinox; autumn equinox; fall equinox | |
| 取分ける | とりわける | to distribute; to portion out; to deal out; to dish out | |
| 一分一厘 | いちぶいちりん | (not even) a bit of; (not even) a hint of; (not) an iota of | |
| 一分 | いちぶ | one tenth; one hundredth; one percent; one tenth of a sun | n4 |
| 分流 | ぶんりゅう | distributary; tributary; branched flow (river, current, etc.) | |
| 応分 | おうぶん | according to one's abilities; appropriate; reasonable | |
| 有効成分 | ゆうこうせいぶん | active ingredient | |
| 過去分詞 | かこぶんし | past participle | |
| 分かれ | わかれ | offshoot; branch; fork | n3 |
| 草分け | くさわけ | pathfinder; trailblazer; early settler; pioneer | n1 |
| 目分量 | めぶんりょう | measuring by eye | |
| 相続分 | そうぞくぶん | share in inheritance; inheritance share; portion of inheritance | |
| 分解掃除 | ぶんかいそうじ | overhaul; taking apart and cleaning | |
| 部分月食 | ぶぶんげっしょく | partial lunar eclipse; partial eclipse of the moon | |
| 持分 | もちぶん | share (of expenses); equity (in company); holdings; interest (in company) | |
| 上分別 | じょうふんべつ | good idea; wise policy | |
| 異分子 | いぶんし | outsider; alien elements | |
| データ分析 | データぶんせき | data analysis | |
| 三分 | さんぶん | trisection; dividing into three (parts) | |
| 八分 | はっぷん | eight minutes; triangular-swept clerical script (clerical script whose horizontal lines end in a noticeable triangular tail) | |
| 分外 | ぶんがい | not within proper limits; excessive; unmerited; special | |
| 分類群 | ぶんるいぐん | taxon | |
| 細分 | さいぶん | subdivision (into small parts) | n1 |
| 分類学 | ぶんるいがく | taxonomy | |
| 色分け | いろわけ | classification by colour; sorting by color; color-coding; colour-coding | |
| 分光 | ぶんこう | separation of light into its spectral components; dispersion | |
| 振り分け | ふりわけ | divide; parting; separating; distribution | |
| 分子生物学 | ぶんしせいぶつがく | molecular biology | |
| 自分用 | じぶんよう | (for) one's own use; personal use; private use | |
| 分裂組織 | ぶんれつそしき | meristematic tissue; meristem | |
| 不起訴処分 | ふきそしょぶん | non-prosecution; decision not to prosecute; dropping of charges; disposition not to prosecute | |
| 分別臭い | ふんべつくさい | prudent-looking | |
| 分署 | ぶんしょ | substation; branch office | n3 |
| 分の一 | ぶんのいち | one Nth part (e.g. one fifth, one tenth); one out of N | |
| 枝分かれ | えだわかれ | ramification; branching off | |
| 分界 | ぶんかい | demarcation | n2 |
| 分枝 | ぶんし | bifurcation; branch; branching; branched chain | |
| 八分目 | はちぶめ | eight-tenths | |
| 高分子 | こうぶんし | macromolecule; high polymer | |
| 加水分解 | かすいぶんかい | hydrolysis | |
| 分かち合う | わかちあう | to share | |
| 食分 | しょくぶん | phase of an eclipse | |
| 分れ目 | わかれめ | fork; junction; parting of the ways; turning point | |
| 素因数分解 | そいんすうぶんかい | prime factorization; prime decomposition | |
| 分母 | ぶんぼ | denominator | |
| 分布図 | ぶんぷず | distribution map; distribution diagram | |
| 分泌物 | ぶんぴつぶつ | secretion | |
| 九寸五分 | くすんごぶ | dagger | |
| 自分一人 | じぶんひとり | (on) one's own; (by) oneself | |
| 分かれ道 | わかれみち | branch road; forked road; branch; fork | n1 |
| 一分野 | いちぶんや | one field; a division; a branch (e.g. of study, etc.) | |
| 偏微分 | へんびぶん | partial derivative; partial differentiation | |
| 分配金 | ぶんぱいきん | dividend (on shares) | |
| 目八分 | めはちぶん | below eye level; about eight-tenths full | |
| 話半分 | はなしはんぶん | taking a story with a grain of salt; discounting half the story | n1 |
| 微積分 | びせきぶん | infinitesimal calculus; (differential and integral) calculus | |
| 振分け | ふりわけ | divide; parting; separating; distribution | |
| 分有 | ぶんゆう | partial ownership; possession in portions | |
| 3分 | さんぷん | three minutes | |
| 分子量 | ぶんしりょう | molecular weight | |
| 百分率 | ひゃくぶんりつ | percentage | |
| 自分の力 | じぶんのちから | one's own strength or effort; (by) oneself | |
| 分掌 | ぶんしょう | division of duties; taking charge of (one's allotted duty); handling one's share of (the work); sharing (duties) | n4 |
| 分宿 | ぶんしゅく | billeting | |
| 下検分 | したけんぶん | preliminary inspection; preliminary examination | |
| 放送分 | ほうそうぶん | (daily) segment of a radio or TV program | |
| 分割払い | ぶんかつばらい | payment by installments; payment by instalments; hire-purchase | |
| 必要十分 | ひつようじゅうぶん | necessary and sufficient | |
| 分速 | ふんそく | speed per minute | |
| 頭分 | かしらぶん | boss; leader | |
| 人数分 | にんずうぶん | per-capita division; division according to the number of people | |
| 分類法 | ぶんるいほう | classification system; classification method | |
| 退学処分 | たいがくしょぶん | expulsion (from school) | |
| 分脈 | ぶんみゃく | branch; offshoot; tributary; fork | n1 |
| 分校 | ぶんこう | branch school | |
| 身分証 | みぶんしょう | identification papers; ID | |
| 1分 | いちぶ | one tenth; one hundredth; one percent; one tenth of a sun | n4 |
| 分会 | ぶんかい | branch; chapter | n2 |
| 分極 | ぶんきょく | (electric) polarization; polarisation; (magnetic) polarization; magnetization | |
| 分かれ目 | わかれめ | fork; junction; parting of the ways; turning point | |
| 得意分野 | とくいぶんや | one's field of expertise; one's strong area | |
| 連結成分 | れんけつせいぶん | connected component | |
| 取分け | とりわけ | especially; particularly; above all; portioning out (servings of food) | n2 |
| 七分 | しちぶん | type of baggy tobi trousers with the baggy part taking up seven-tenths of the full length of the trouser leg | |
| 分室 | ぶんしつ | detached office; annex | |
| 分散型 | ぶんさんがた | distribution; dispersion | |
| 時分時 | じぶんどき | mealtime | |
| 超過分 | ちょうかぶん | surplus; excess | |
| 分らず屋 | わからずや | obstinate person; blockhead | |
| 分画 | ぶんかく | demarcation; graduation; fractionation; fraction | |
| 分秒 | ふんびょう | moment | |
| 灰分 | かいぶん | ash; (nutritional) mineral content | |
| 大分類 | だいぶんるい | broad category | |
| 聞分ける | ききわける | to recognize (by sound); to identify; to differentiate (voices, sounds, etc.); to distinguish | |
| 天下分け目 | てんかわけめ | fateful; decisive (e.g. war) | |
| 身分証明書 | みぶんしょうめいしょ | identification papers; piece of identification; identity document; ID | |
| 遠心分離機 | えんしんぶんりき | centrifuge; centrifugal machine | |
| 両分 | りょうぶん | bisect; cut in two | n1 |
| 線分 | せんぶん | line segment | |
| 三十分 | さんじゅっぷん | thirty minutes; half an hour | |
| 二分法 | にぶんほう | dichotomy | |
| 振分髪 | ふりわけがみ | hair parted in the middle | |
| 部分食 | ぶぶんしょく | partial eclipse | |
| 分かりづらい | わかりづらい | difficult to understand; difficult to grasp; confusing; puzzling | |
| 分封 | ぶんぽう | hiving off; swarming; dividing a fief | n3 |
| 分社化 | ぶんしゃか | company split-up; spinning off of a separate company | |
| 分列 | ぶんれつ | filing off (in a parade) | n2 |
| 分骨 | ぶんこつ | burying some of a person's ashes in separate places; part of a person's ashes | |
| 得分 | とくぶん | profit; gains; returns; (one's) share | |
| 2分 | にふん | two minutes | |
| 分け目 | わけめ | dividing line; parting (of the hair); partition; crisis | |
| 分布域 | ぶんぷいき | area of distribution; distribution range; distribution region | |
| 多分に | たぶんに | in great amount; considerably; substantially; quite | |
| お裾分け | おすそわけ | sharing with others what has been given to you; sharing a portion of the profit with others | |
| 分権 | ぶんけん | decentralization of authority; decentralisation of authority | n2 |
| 言い分け | いいわけ | excuse; explanation | n2 |
| 分納 | ぶんのう | installment payment (instalment); installment delivery | |
| 分針 | ふんしん | minute hand | |
| 分霊 | ぶんれい | making a branch shrine for a deity; enshrining a divided portion of a deity's spirit at another shrine | |
| 分析的 | ぶんせきてき | analytical; analytic | |
| 数分間 | すうふんかん | a few minutes; for a few minutes; for a number of minutes; for a period of a few minutes | |
| 分析手法 | ぶんせきしゅほう | analytical method | |
| 政教分離 | せいきょうぶんり | separation of church and state | |
| おすそ分け | おすそわけ | sharing with others what has been given to you; sharing a portion of the profit with others | |
| 染め分ける | そめわける | to dye in different colors (colours) | |
| 分社 | ぶんしゃ | branch shrine; corporate spin-off; split-off business | |
| 分詞 | ぶんし | participle | |
| 分解能 | ぶんかいのう | resolution; resolving power | |
| 株分け | かぶわけ | root division | |
| 仕分ける | しわける | to assort; to classify; to journalize (in accounting); to journalise | |
| 分け取り | わけどり | sharing; division | |
| 形見分け | かたみわけ | distribution of mementos | |
| 時代区分 | じだいくぶん | division of history into periods; periodization (in history) | |
| 自分撮り | じぶんどり | taking a picture or video of oneself | |
| 部分一致 | ぶぶんいっち | partial match; matching a search term with sub-string within a field | |
| 平分 | へいぶん | bisection; dividing equally | |
| 分散性 | ぶんさんせい | dispersiveness | |
| 分析学 | ぶんせきがく | analytics | |
| 取り分 | とりぶん | one's share; one's portion | |
| 早分り | はやわかり | quick understanding; catching on quickly; (beginner's) guide; easy guide (to) | |
| 気分屋 | きぶんや | moody person | |
| 身分制 | みぶんせい | class system | |
| 追分節 | おいわけぶし | horse driver's song | |
| 分析試験 | ぶんせきしけん | assaying | |
| 秋分の日 | しゅうぶんのひ | Autumnal Equinox Day (national holiday celebrated by honoring ancestors and remembering the deceased; September 22, 23 or 24) | |
| 分れ道 | わかれみち | branch road; forked road; branch; fork | n1 |
| 聞分け | ききわけ | reasonableness (esp. of children); obedience | n1 |
| 分区 | ぶんく | subdistrict | |
| 兄貴分 | あにきぶん | senior group member; leader among peers; (like) one's older brother; big brother | |
| 未分化 | みぶんか | undifferentiated; unspecialized | |
| 振分ける | ふりわける | to divide in two; to divide in half; to divide (among); to apportion | |
| 細胞分裂 | さいぼうぶんれつ | cell division | |
| 自分ごと | じぶんごと | one's own problem; one's own issues | |
| センター分け | センターわけ | center part (hairstyle); middle part | |
| 8分 | はっぷん | eight minutes; triangular-swept clerical script (clerical script whose horizontal lines end in a noticeable triangular tail) | |
| 分岐器 | ぶんきき | railroad switch; turnout | |
| 分教場 | ぶんきょうじょう | detached classroom; small branch school | |
| 共用部分 | きょうようぶぶん | common area (of a condominium or other multi-unit building); common element | |
| 精神分析 | せいしんぶんせき | psychoanalysis | |
| 自然分娩 | しぜんぶんべん | natural childbirth | |
| 分力 | ぶんりょく | component of force | |
| 分合 | ぶんごう | dividing and uniting | |
| 分館 | ぶんかん | annex (to a building); annexe | |
| 分離派 | ぶんりは | separatists; secessionists | |
| 口分田 | くぶんでん | allotted rice field (ritsuryō system); land distributed to all citizens from which yields were taxed by the government | |
| 自分事 | じぶんごと | one's own problem; one's own issues | |
| 研究分野 | けんきゅうぶんや | research area; field of research | |
| 部分集合 | ぶぶんしゅうごう | subset | |
| 共分散 | きょうぶんさん | covariance | |
| 分娩時 | ぶんべんじ | time of delivery (of a child) | |
| 分電盤 | ぶんでんばん | distribution board; panelboard; circuit breaker panel; fusebox | |
| 四分六 | しぶろく | six to four ratio; sixty-forty | |
| 三権分立 | さんけんぶんりつ | separation of powers (legislative, executive and judicial) | |
| 判別分析 | はんべつぶんせき | discriminant analysis | |
| より分ける | よりわける | to classify; to sort out; to sift through | |
| 精神分裂症 | せいしんぶんれつしょう | schizophrenia | |
| 再配分 | さいはいぶん | redistribution | |
| 分泌液 | ぶんぴつえき | secretion | |
| 人口分布 | じんこうぶんぷ | population distribution | |
| 分離不安 | ぶんりふあん | separation anxiety | |
| 刑事処分 | けいじしょぶん | criminal punishment; criminal procedure | |
| 化学成分 | かがくせいぶん | chemical composition; chemical component | |
| 因数分解 | いんすうぶんかい | factorization; factorisation | |
| 地方分権 | ちほうぶんけん | decentralization of power; decentralisation of power | |
| 実況見分 | じっきょうけんぶん | on-the-spot investigation | |
| 市場分析 | しじょうぶんせき | market analysis | |
| 染め分け | そめわけ | dyed in various colors; dyed in various colours | |
| 構成成分 | こうせいせいぶん | structural component | |
| 部分溶融 | ぶぶんようゆう | partial fusion; partial melting | |
| 噛み分ける | かみわける | to taste; to distinguish; to understand | |
| 微分方程式 | びぶんほうていしき | differential equation | |
| ふるい分ける | ふるいわける | to sift; to screen | |
| 分遣 | ぶんけん | detachment; detail | n2 |
| 分地 | ぶんち | parceling out an estate | |
| 均分 | きんぶん | equal division | |
| 腑分 | ふわけ | dissection; autopsy; postmortem examination; analysis | |
| 分国法 | ぶんこくほう | laws established by daimyo applicable only in their own domain (during the Warring States period) | |
| 帯分数 | たいぶんすう | mixed fraction; compound number | |
| 村八分 | むらはちぶ | ostracism; complete ostracism of a household (the harshest punishment in Edo-period village law) | |
| 自分史 | じぶんし | personal history | |
| 痛み分け | いたみわけ | match declared drawn due to injury; ending with both sides suffering damage (of a dispute, etc.) | |
| 微分積分学 | びぶんせきぶんがく | calculus | |
| 分の | ぶんの | -th (e.g. one fifth) | |
| 按分 | あんぶん | proportional division; proportional distribution | |
| 約分 | やくぶん | reduction (of a fraction to its lowest terms) | |
| 不足分 | ふそくぶん | shortage; amount outstanding (e.g. on loan); deficit | |
| 分隊長 | ぶんたいちょう | squad leader; divisional officer | |
| 十二分 | じゅうにぶん | more than enough; more than ample; exhaustive | |
| 可処分 | かしょぶん | disposable | |
| 水分子 | みずぶんし | water molecule | |
| 熱分解 | ねつぶんかい | pyrolysis; thermolysis; thermal decomposition; thermal cracking | |
| 分散分析 | ぶんさんぶんせき | analysis of variance; ANOVA | |
| 分類基準 | ぶんるいきじゅん | classificatory criterion | |
| 水分活性 | すいぶんかっせい | water activity | |
| 自分本位 | じぶんほんい | self-centeredness; selfishness; egotism; egocentricity | |
| 分かち書き | わかちがき | separating words in Japanese with spaces (e.g. in kana-only books for children) | |
| アルコール分 | アルコールぶん | alcoholic content | |
| 高分子化合物 | こうぶんしかごうぶつ | high molecular compound; high polymer | |
| 分局 | ぶんきょく | branch office; local office | |
| 6分 | ろっぷん | six minutes | |
| 7分 | ななふん | seven minutes | |
| 分解者 | ぶんかいしゃ | decomposer | |
| 分類表 | ぶんるいひょう | classified table; classification table | |
| 区分局 | くぶんきょく | (post office) sorting center | |
| 持ち分 | もちぶん | share (of expenses); equity (in company); holdings; interest (in company) | |
| 根分け | ねわけ | dividing a plant's roots for transplanting | |
| 野分き | のわき | typhoon in the early autumn | |
| 七三分け | しちさんわけ | side parting; hair parted to one side | |
| 二分音符 | にぶおんぷ | half note; minim | |
| 交流分析 | こうりゅうぶんせき | transactional analysis | |
| 分析化学 | ぶんせきかがく | analytical chemistry | |
| 分煙 | ぶんえん | separation of smoking and non-smoking areas | |
| 分節 | ぶんせつ | articulation | |
| 取分 | とりぶん | one's share; one's portion | |
| 回分 | かいぶん | batch; times worth of; multiplier | |
| 分庁舎 | ぶんちょうしゃ | branch government office; government building annex | |
| 分譲地 | ぶんじょうち | lots for sale | |
| 核分裂 | かくぶんれつ | nuclear fission; karyokinesis (division of a cell nucleus during mitosis or meiosis) | |
| 腑分け | ふわけ | dissection; autopsy; postmortem examination; analysis | |
| 二分探索 | にぶんたんさく | binary search | |
| 共通部分 | きょうつうぶぶん | intersection (of sets); common set | |
| 内分泌学 | ないぶんぴつがく | endocrinology | |
| 分散処理 | ぶんさんしょり | distributed processing; decentralized processing | |
| 思慮分別 | しりょふんべつ | discreet and well-advised judgment; wise and mature judgment; making judgment with prudence | |
| 持分会社 | もちぶんがいしゃ | mochibun gaisha; company structure which functions like a partnership | |
| えり分ける | よりわける | to classify; to sort out; to sift through | |
| 吹き分ける | ふきわける | to blow apart; to winnow; to smelt | |
| 分圧 | ぶんあつ | partial pressure | |
| 可分 | かぶん | divisible; separable | |
| 三等分 | さんとうぶん | trisect | |
| 分子式 | ぶんししき | molecular formula | |
| 副成分 | ふくせいぶん | accessory ingredient; secondary ingredient | |
| 百分比 | ひゃくぶんひ | percentage | |
| 自分流 | じぶんりゅう | one's own way | |
| 下位分類 | かいぶんるい | subclass; subdivision | |
| 分不相応 | ぶんふそうおう | beyond one's means or position | |
| 分類体系 | ぶんるいたいけい | classification system | |
| 原因分析 | げんいんぶんせき | cause analysis; causal analysis; diagnosis | |
| 因子分析 | いんしぶんせき | factor analysis | |
| 秘密分散 | ひみつぶんさん | secret sharing | |
| 謹慎処分 | きんしんしょぶん | suspension (from work or school) | |
| 主成分分析 | しゅせいぶんぶんせき | principal component analysis; PCA | |
| 分筆 | ぶんぴつ | subdivision of a lot | n1 |
| 中分 | ちゅうぶん | dividing into two halves | |
| 兄分 | あにぶん | sworn elder brother; older male in an homosexual relationship | |
| 六分 | ろっぷん | six minutes | |
| 分団 | ぶんだん | branch (of a larger organization); local chapter | |
| 分売 | ぶんばい | selling separately | |
| 分店 | ぶんてん | branch store; branch of a firm | |
| 分蘖 | ぶんけつ | tiller; offshoot | |
| 今月分 | こんげつぶん | (charge) for this month | |
| 分光法 | ぶんこうほう | spectroscopy | |
| 分岐駅 | ぶんきえき | junction | |
| 分散化 | ぶんさんか | decentralization | |
| 積分法 | せきぶんほう | integration | |
| 部分割 | ぶぶんかつ | meroblastic cleavage; partial cleavage | |
| 冗談半分 | じょうだんはんぶん | half joking; being (only) half serious; (in a) jocular vein | |
| 分散投資 | ぶんさんとうし | diversified investment | |
| 十分条件 | じゅうぶんじょうけん | sufficient condition | |
| 吸収分割 | きゅうしゅうぶんかつ | absorption-type company split | |
| 性格分析 | せいかくぶんせき | character analysis; personality assessment | |
| 申分 | もうしわけ | apology; excuse | n3 |
| 分載 | ぶんさい | publishing part by part (e.g. in a magazine) | n1 |
| 言分 | いいぶん | one's say; one's point; one's case; one's claim | n1 |
| 分留 | ぶんりゅう | fractional distillation; fractionation | |
| 分目 | わけめ | dividing line; parting (of the hair); partition; crisis | |
| 分葱 | わけぎ | tree onion (Allium x proliferum) | |
| 分院 | ぶんいん | branch (of an institution); branch hospital; branch temple | |
| 妹分 | いもうとぶん | protegee; someone who one considers as a younger sister | |
| 案分 | あんぶん | proportional division; proportional distribution | |
| 通分 | つうぶん | converting (fractions) to a common denominator; reduction to a common denominator | |
| 不分明 | ふぶんめい | obscure; vague | |
| 二等分 | にとうぶん | bisection | |
| 再分配 | さいぶんぱい | redistribution | |
| 処分場 | しょぶんじょう | disposal site; disposal plant | |
| 分刻み | ふんきざみ | counting by the minute (of a schedule, etc.) | |
| 分析家 | ぶんせきか | analyst | |
| 分析表 | ぶんせきひょう | analysis table | |
| 分水界 | ぶんすいかい | watershed; divide | |
| 分遣隊 | ぶんけんたい | detachment; contingent (of troops) | |
| 分離果 | ぶんりか | schizocarp | |
| 微分法 | びぶんほう | differentiation | |
| 部分群 | ぶぶんぐん | subgroup | |
| 予算配分 | よさんはいぶん | budgetary allocation | |
| 分析哲学 | ぶんせきてつがく | analytical philosophy; analytic philosophy | |
| 垂直分布 | すいちょくぶんぷ | perpendicular distribution; vertical distribution | |
| 定性分析 | ていせいぶんせき | qualitative analysis | |
| 定量分析 | ていりょうぶんせき | quantitative analysis | |
| 気分障害 | きぶんしょうがい | mood disorder | |