| 確認 | かくにん | confirmation; verification; validation; review | n4 |
| 確か | たしか | sure; certain; positive; definite | n4 |
| 正確 | せいかく | accurate; correct; precise; exact | n4 |
| 明確 | めいかく | clear; precise; definite; distinct | n2 |
| 確保 | かくほ | securing; obtaining; ensuring; guarantee | n2 |
| 確実 | かくじつ | certain; sure; definite; reliable | n3 |
| 確 | たしか | sure; certain; positive; definite | n4 |
| 確立 | かくりつ | establishment; settlement | n2 |
| 確信 | かくしん | conviction; belief; confidence | n2 |
| 確かめる | たしかめる | to make sure; to check; to ascertain; to confirm | n3 |
| 確定 | かくてい | decision; settlement; confirmation; establishment | n2 |
| 確率 | かくりつ | probability; likelihood; chances | n2 |
| 的確 | てきかく | accurate; precise; exact; appropriate | n2 |
| 正確性 | せいかくせい | accuracy | |
| 確かに | たしかに | surely; certainly | |
| 確り | しっかり | tightly (holding on); firmly; securely; strongly (built) | n4 |
| 確乎 | かっこ | firm; unshakeable; resolute | n1 |
| 確証 | かくしょう | conclusive evidence; positive proof; definite proof; confirmation | |
| 精確 | せいかく | detailed and accurate; exhaustive and precise; meticulous; finely detailed | n4 |
| 明確化 | めいかくか | clarification; definition | |
| 不確か | ふたしか | unreliable; uncertain; indefinite; unclear | n1 |
| 確固 | かっこ | firm; unshakeable; resolute | n1 |
| 不明確 | ふめいかく | inaccurate; indistinct; imprecise; unclear | |
| 確然 | かくぜん | definite; positive | |
| 本人確認 | ほんにんかくにん | identity verification | |
| 再確認 | さいかくにん | reaffirmation; reconfirmation; revalidation | |
| 確たる | かくたる | certain; definite; clear; credible | |
| 不正確 | ふせいかく | inaccurate; incorrect; inexact; imprecise | |
| 確言 | かくげん | assertion; confirmation | |
| 降水確率 | こうすいかくりつ | chance of precipitation; chance of rain | |
| 確執 | かくしつ | discord; antagonism | n1 |
| 安全確保 | あんぜんかくほ | guarantee of safety; ensuring safety | |
| 確答 | かくとう | definite answer | |
| 事実確認 | じじつかくにん | fact-checking | |
| 確約 | かくやく | firm promise; definite promise | |
| 不確実性 | ふかくじつせい | uncertainty; indeterminacy; unreliability; unauthenticity | |
| 安全確認 | あんぜんかくにん | safety confirmation; confirming (something) is safe | |
| 確定申告 | かくていしんこく | final income tax return; final declaration; final report | |
| 確実性 | かくじつせい | certainty | |
| 確認の上 | かくにんのうえ | (please ...) after checking; after verification | |
| 確認のうえ | かくにんのうえ | (please ...) after checking; after verification | |
| 本人確認書類 | ほんにんかくにんしょるい | identity document; identification document | |
| 未確認 | みかくにん | unconfirmed; unidentified | |
| 要確認 | ようかくにん | confirmation required | |
| 確定的 | かくていてき | definite; certain; decided; fixed | |
| 不確定 | ふかくてい | uncertain; indefinite | n1 |
| 確率的 | かくりつてき | stochastic; probabilistic | |
| 予約確認 | よやくかくにん | booking confirmation; reservation confirmation | |
| 確報 | かくほう | definite report; confirmed data | |
| 不確実 | ふかくじつ | uncertain; unreliable; inauthentic; insecure | |
| 未確定 | みかくてい | unconfirmed; indeterminate; undetermined; uncertain | |
| 確変 | かくへん | system by which hitting a certain jackpot increases the probability of hitting the next jackpot (on prepaid card pachinko machines) | |
| 動作確認 | どうさかくにん | validation; operation check; checking operation; functionality testing | |
| 確定拠出年金 | かくていきょしゅつねんきん | defined contribution pension plan | |
| 高確率 | こうかくりつ | high probability | |
| 確度 | かくど | degree of accuracy | n2 |
| 確率論 | かくりつろん | probability theory | |
| 確認書 | かくにんしょ | written confirmation; confirmation document; confirmation note | |
| 年齢確認 | ねんれいかくにん | age verification | |
| 建築確認 | けんちくかくにん | building certification; building confirmation | |
| 確定判決 | かくていはんけつ | final sentence | |
| 確聞 | かくぶん | learn from reliable sources | |
| 確認メール | かくにんメール | confirmation e-mail | |
| 確知 | かくち | ascertainment; certain knowledge | n3 |
| 正確度 | せいかくど | accuracy | |
| 意思確認 | いしかくにん | confirmation of consent; confirming someone's wishes | |
| 当確 | とうかく | projected to win; sure to be elected; home free | n2 |
| 確信犯 | かくしんはん | crime of conscience; premeditated crime; act carried out while knowing that it should not be | |
| 不確定要素 | ふかくていようそ | variables; uncertain elements; uncertainties; imponderables | |
| 確定値 | かくていち | definitive number; confirmed number; final figures | |
| 確認者 | かくにんしゃ | verifier; identifier; confirmor; confirming party | |
| 確認証 | かくにんしょう | (proof of) confirmation | |
| 確率過程 | かくりつかてい | stochastic process | |
| 安否確認 | あんぴかくにん | confirmation of someone's safety; ascertainment of someone's safety | |
| 当選確実 | とうせんかくじつ | being projected to win; being certain to be elected; being sure of being elected | |
| 未確認生物 | みかくにんせいぶつ | cryptid (animal whose existence is unsubstantiated, e.g. the yeti) | |
| 確かめ | たしかめ | confirmation; certification; ascertainment | |
| 確実視 | かくじつし | regarding as a sure thing; seeing as a certainty | |
| 不確定性 | ふかくていせい | uncertainty; indefiniteness | |
| 確率変数 | かくりつへんすう | random variable; stochastic variable | |
| 適確 | てきかく | accurate; precise; exact; appropriate | n2 |
| 事後確率 | じごかくりつ | posterior probability | |
| 確定事項 | かくていじこう | fixed content; settled matter; done deal | |
| 確定条件 | かくていじょうけん | fixed condition; preexisting condition | |
| 確率分布 | かくりつぶんぷ | probability distribution | |
| 利確 | りかく | profit-taking | |
| 事前確率 | じぜんかくりつ | prior probability | |
| 利益確定 | りえきかくてい | profit-taking | |
| 指差確認 | ゆびさしかくにん | pointing and calling (occupational safety method) | |
| 有罪確定 | ゆうざいかくてい | guilty verdict; guilty as charged | |
| 正確無比 | せいかくむひ | unmatched (unparalleled) accuracy | |
| 確定裁判 | かくていさいばん | final decision | |
| 確率振幅 | かくりつしんぷく | probability amplitude (quantum mechanics) | |
| 資源確保 | しげんかくほ | securement of resources | |
| 身元確認 | みもとかくにん | identification; background check; identity confirmation | |
| 確定死刑囚 | かくていしけいしゅう | criminal condemned to death; convict on death row | |
| 条件付き確率 | じょうけんつきかくりつ | conditional probability | |
| 個人型確定拠出年金 | こじんがたかくていきょしゅつねんきん | individual-type defined contribution pension plan; iDeCo | |
| 確診 | かくしん | certain diagnosis; clear diagnosis; definitive diagnosis | n2 |
| 確守 | かくしゅ | strict adherence; sticking to; steadfast defence | n1 |
| 動確 | どうかく | validation; operation check; checking operation; functionality testing | |
| 年確 | ねんかく | age verification | |
| 確と | しかと | certainly; for sure; distinctly; clearly | |
| 確反 | かくはん | punish; confirmed counter-attack | |
| 確説 | かくせつ | established theory | |
| 勝ち確 | かちかく | certain victory | |
| 小確幸 | しょうかっこう | simple pleasure (in life) | |
| 最確数 | さいかくすう | most probable number; MPN | |
| 確けし | たしけし | certain; sure; definite | |
| 確め算 | たしかめざん | checking the result of a calculation | |
| 確り者 | しっかりもの | person of firm character; stable person; gutsy person | |
| 確定力 | かくていりょく | power of finality (of a legal decision, e.g. when a case is dismissed with prejudice) | |
| 確定石 | かくていせき | stable disc (in Othello) | |
| 確実度 | かくじつど | certainty | |
| 確率場 | かくりつば | random field | |
| 確率波 | かくりつは | stochastic wave; probability wave | |
| 確認要 | かくにんよう | confirmation required | |
| 再度確認 | さいどかくにん | reconfirmation; double check | |
| 周辺確率 | しゅうへんかくりつ | marginal probability | |
| 帯域確保 | たいいきかくほ | bandwidth guarantee | |
| 当選当確 | とうせんとうかく | candidates (in an election) who have won or are projected to be elected | |
| 応答確認 | おうとうかくにん | response confirmation | |
| 機械確認 | きかいかくにん | machine-validation | |
| 正確爆撃 | せいかくばくげき | pinpoint bombing | |
| 気は確か | きはたしか | in one's senses; sane | |
| 疎通確認 | そつうかくにん | connectivity test; connection check | |
| 確かな筋 | たしかなすじ | reliable source | |
| 確かめ算 | たしかめざん | checking the result of a calculation | |
| 確とした | かくとした | certain; definite | |
| 確りしろ | しっかりしろ | pull yourself together; get a grip; get a hold of yourself; come on | |
| 確乎不動 | かっこふどう | unshakeable (e.g. belief); invincible; steadfastness; firmness | |
| 確乎不抜 | かっこふばつ | determined; steadfast; unswerving; unshakable | |
| 確固不動 | かっこふどう | unshakeable (e.g. belief); invincible; steadfastness; firmness | |
| 確固不抜 | かっこふばつ | determined; steadfast; unswerving; unshakable | |
| 確定反撃 | かくていはんげき | punish; guaranteed counter-attack | |
| 確定日付 | かくていひづけ | fixed date | |
| 確率変動 | かくりつへんどう | system by which hitting a certain jackpot increases the probability of hitting the next jackpot (on prepaid card pachinko machines) | |
| 確率密度 | かくりつみつど | probability density | |
| 確率標本 | かくりつひょうほん | random sample | |
| 確率理論 | かくりつりろん | probability theory | |
| 確率積分 | かくりつせきぶん | stochastic integral | |
| 確率誤差 | かくりつごさ | random error | |
| 確認写真 | かくにんしゃしん | portal film (e.g. in radiotherapy) | |
| 確認試験 | かくにんしけん | validation test | |
| 結合確率 | けつごうかくりつ | joint probability | |
| 財源確保 | ざいげんかくほ | securing financial resources | |
| 身柄確保 | みがらかくほ | apprehension (of a crime suspect); capture; detainment; arrest | |
| 車間確認 | しゃかんかくにん | confirm your distance; keep your distance | |
| 遷移確率 | せんいかくりつ | transition probability | |
| 零票確認 | れいひょうかくにん | confirmation that a ballot box contains no ballots before voting commences (performed by the first voter at each polling station) | |
| 領域確保 | りょういきかくほ | partitioning | |
| データ確認 | データかくにん | (data) authentication | |
| ベイズ確率 | ベイズかくりつ | Bayesian probability | |
| 不確定判定 | ふかくていはんてい | inconclusive (verdict) | |
| 売渡確認書 | うりわたしかくにんしょ | sale confirmation | |
| 安全不確認 | あんぜんふかくにん | failure to observe safety regulations | |
| 意思確認書 | いしかくにんしょ | letter of intent | |
| 指さし確認 | ゆびさしかくにん | pointing and calling (occupational safety method) | |
| 指差し確認 | ゆびさしかくにん | pointing and calling (occupational safety method) | |
| 未確認動物 | みかくにんどうぶつ | cryptid (animal whose existence is unsubstantiated, e.g. the yeti) | |
| 未確認情報 | みかくにんじょうほう | unconfirmed information | |
| 死刑確定者 | しけいかくていしゃ | criminal condemned to death; convict on death row | |
| 気を確かに | きをたしかに | don't do anything rash!; keep composed! | |
| 確からしい | たしからしい | probable; likely | |
| 確からしさ | たしからしさ | probability; likelihood; chances | |
| 確たる証拠 | かくたるしょうこ | certain evidence; definite evidence | |
| 確定利付債 | かくていりつきさい | fixed interest-bearing bond; fixed interest securities | |
| 確定的過程 | かくていてきかてい | deterministic process | |
| 確率モデル | かくりつモデル | stochastic model | |
| 不確定性原理 | ふかくていせいげんり | uncertainty principle | |
| 事前確率分布 | じぜんかくりつぶんぷ | prior probability distribution | |
| 周辺確率分布 | しゅうへんかくりつぶんぷ | marginal probability distribution | |
| 実父確定検査 | じっぷかくていけんさ | paternity test | |
| 建築確認申請 | けんちくかくにんしんせい | application for building confirmation | |
| 正確にいうと | せいかくにいうと | to be precise; to be accurate; strictly speaking | |
| 正確にいえば | せいかくにいえば | to be precise; to be accurate; strictly speaking | |
| 正確に言うと | せいかくにいうと | to be precise; to be accurate; strictly speaking | |
| 正確に言えば | せいかくにいえば | to be precise; to be accurate; strictly speaking | |
| 相互確証破壊 | そうごかくしょうはかい | mutual assured destruction; mutually assured destruction; MAD | |
| 確定利付き債 | かくていりつきさい | fixed interest-bearing bond; fixed interest securities | |
| 確定利付証券 | かくていりつきしょうけん | fixed interest-bearing securities | |
| 確率密度関数 | かくりつみつどかんすう | probability density function | |
| 確証バイアス | かくしょうバイアス | confirmation bias; confirmatory bias | |
| 妥当性確認試験 | だとうせいかくにんしけん | validation (test) | |
| 未確認異常現象 | みかくにんいじょうげんしょう | unidentified anomalous phenomena; UAP | |
| 未確認飛行物体 | みかくにんひこうぶったい | unidentified flying object; UFO | |
| 条件付き確率場 | じょうけんつきかくりつば | conditional random field; CRF | |
| 気を確かにもつ | きをたしかにもつ | to brace oneself; to keep one's spirits up; to keep one's composure; to pull oneself together | |
| 気を確かに持つ | きをたしかにもつ | to brace oneself; to keep one's spirits up; to keep one's composure; to pull oneself together | |
| 真偽を確かめる | しんぎをたしかめる | to make sure of the truth | |
| 確かな物にする | たしかなものにする | to strengthen; to beef up; to put on a firm basis; to ensure | |
| 確定利付き証券 | かくていりつきしょうけん | fixed interest-bearing securities | |
| 確定拠出型年金 | かくていきょしゅつがたねんきん | defined-contribution pension | |
| 確定給付型年金 | かくていきゅうふがたねんきん | defined-benefit pension | |
| 確率微分方程式 | かくりつびぶんほうていしき | stochastic differential equation | |
| バッファ確保失敗 | バッファかくほしっぱい | buffer (full) error (i.e. space cannot be reserved as it is full) | |
| 確かなものにする | たしかなものにする | to strengthen; to beef up; to put on a firm basis; to ensure | |
| ダイアログ確立指示未完了 | ダイアログかくりつしじみかんりょう | dialogue establishment indication outstanding | |
| ダイアログ確立要求未完了 | ダイアログかくりつようきゅうみかんりょう | dialogue establishment request outstanding | |
| フィッシャーの直接確率検定 | フィッシャーのちょくせつかくりつけんてい | Fisher's exact test | |