| 法律 | ほうりつ | law; legislation; act | n3 |
| 律 | りつ | law (esp. ancient East Asian criminal code); regulation; vinaya (rules for the monastic community); Ritsu (school of Buddhism) | n2 |
| 自律 | じりつ | autonomy; self-control; self-discipline; autonomy (in Kantian ethics) | n1 |
| 規律 | きりつ | order; observance; discipline; rules | n2 |
| 旋律 | せんりつ | melody; tune | n1 |
| 法律上 | ほうりつじょう | legal; from a legal standpoint; legally speaking; de jure | |
| 法律事務所 | ほうりつじむしょ | law office; law firm | |
| 一律 | いちりつ | uniform; even; across-the-board; equal | n1 |
| 律義 | りちぎ | upright; honest; faithful; conscientious | n1 |
| 韻律 | いんりつ | metre (of a poem); meter; rhythm; prosody | |
| 呂律 | ろれつ | articulation | |
| 自律神経 | じりつしんけい | autonomic nerve | n2 |
| 戒律 | かいりつ | (religious) precept; discipline; commandment; mitzvah | |
| 律令 | りつりょう | ritsuryō; criminal, administrative and civil codes of the Nara and Heian eras based on Chinese models | |
| 音律 | おんりつ | metre; rhythm; musical temperament | |
| 律動 | りつどう | rhythm | |
| 法律婚 | ほうりつこん | de jure marriage; legal marriage | |
| 律する | りっする | to judge (on the basis of); to control; to discipline (oneself); to regulate | |
| 律儀 | りちぎ | upright; honest; faithful; conscientious | n1 |
| 律法 | りっぽう | law; rule; precept; Torah (first five books of the Hebrew Bible) | |
| 律令制 | りつりょうせい | ritsuryō system; ancient East Asian system of centralized governance; in Japan: esp. 7th-10th century | |
| 因果律 | いんがりつ | law of cause and effect; principle of causality | |
| 法律的 | ほうりつてき | juristical; legal | |
| 律師 | りっし | preceptor; priest | |
| 法律案 | ほうりつあん | (legislative) bill | |
| 二律背反 | にりつはいはん | antinomy; self-contradiction; either-or situation; choice between mutually exclusive alternatives | |
| 調律 | ちょうりつ | tuning (an instrument); temperament | |
| 法律相談 | ほうりつそうだん | legal consultation; (giving) legal advice | |
| 軍律 | ぐんりつ | martial law; articles of war; military disciple; military law | |
| 大宝律令 | たいほうりつりょう | Taiho Code (701 CE) | |
| 自律的 | じりつてき | autonomous; autonomic; self-sustaining; self-directed | |
| 法律用語 | ほうりつようご | legal term; law term | |
| 法律行為 | ほうりつこうい | legal action; juridicial act | |
| 律宗 | りっしゅう | Ritsu (school of Buddhism) | |
| 律呂 | りつりょ | standard tones; Chinese system of musical sounds | |
| 一律に | いちりつに | uniformly; evenly; equally; indiscriminately | |
| 千篇一律 | せんぺんいちりつ | monotonous; humdrum; stereotyped; banal | |
| 法律問題 | ほうりつもんだい | legal problem | |
| 法律違反 | ほうりついはん | violation of the law | |
| 律詩 | りっし | lüshi; form of Chinese poetry with eight lines of seven or five characters | |
| 律旋法 | りつせんぽう | Japanese seven-tone gagaku scale (corresponding to: re, mi, fa, so, la, ti, do) similar to Dorian mode | |
| 養老律令 | ようろうりつりょう | Yōrō Code (promulgated 757 CE) | |
| 紀律 | きりつ | order; observance; discipline; rules | n2 |
| 律令国家 | りつりょうこっか | the Japanese nation under the ritsuryō codes (645 CE-10th century) | |
| 持律 | じりつ | strictly adhering to Buddhist precepts | n1 |
| 法律家 | ほうりつか | lawyer; jurist | |
| 他律 | たりつ | heteronomy; being directed by others; acting according to orders or rules from outside (rather than one's own will); heteronomy (in Kantian ethics) | |
| 定律 | ていりつ | fixed law | |
| 律語 | りつご | well-shaped verse | |
| 律旋 | りつせん | Japanese seven-tone gagaku scale (corresponding to: re, mi, fa, so, la, ti, do, i.e. the Dorian mode) | |
| 法律学 | ほうりつがく | jurisprudence | |
| 周期律 | しゅうきりつ | periodic law | |
| 律令時代 | りつりょうじだい | Ritsuryō period (mid 7th-10th centuries CE) | |
| 不文律 | ふぶんりつ | unwritten law; common law; unwritten rule | |
| 排中律 | はいちゅうりつ | law of excluded middle | |
| 調律師 | ちょうりつし | piano tuner | |
| 主旋律 | しゅせんりつ | main melody; lead; central theme (of a literary work, critique, etc.) | |
| 律音階 | りつおんかい | ritsu scale (anhemitonic pentatonic scale primarily used in gagaku: re, mi, so, la, ti) | |
| 律義者 | りちぎもの | honest person; conscientious person | |
| 音数律 | おんすうりつ | syllabic meter (poetry) | |
| 黄金律 | おうごんりつ | The Golden Rule ("do unto others as you would have them do unto you") | |
| 自律神経系 | じりつしんけいけい | autonomic nervous system; ANS | |
| 新律 | しんりつ | new law | |
| 楽律 | がくりつ | metre or rhythm in Chinese and Japanese traditional music | |
| 道徳律 | どうとくりつ | moral law | |
| 旋律的短音階 | せんりつてきたんおんかい | melodic minor scale | |
| 律管 | りっかん | ancient Chinese pitch pipe (12 pipes corresponding to the ancient Chinese chromatic scale) | |
| 律速 | りっそく | rate-limiting; rate-determining | |
| 同一律 | どういつりつ | law of identity; principle of identity | |
| 律法学者 | りっぽうがくしゃ | rabbi; scribe (Biblical) | |
| 財政規律 | ざいせいきりつ | fiscal discipline; budgetary discipline | |
| 厳律 | げんりつ | strict law | |
| 不規律 | ふきりつ | irregular; undisciplined; disorganized; disorganised | |
| 対旋律 | たいせんりつ | countermelody | |
| 洞調律 | どうちょうりつ | sinus rhythm | |
| 矛盾律 | むじゅんりつ | law of contradiction | |
| 連鎖律 | れんさりつ | chain rule | |
| 法律制度 | ほうりつせいど | legal system | |
| 格律 | かくりつ | maxim; personal standard | n2 |
| 相律 | そうりつ | phase rule | n2 |
| 刑律 | けいりつ | criminal law | |
| 律文 | りつぶん | legal provisions; verse | |
| 十二律 | じゅうにりつ | ancient Chinese chromatic scale (primarily used in Japan for gagaku, etc.) | |
| 定旋律 | ていせんりつ | cantus firmus; plainsong; plainchant | |
| 平均律 | へいきんりつ | equal temperament; mean-tone tuning | |
| 律儀者 | りちぎもの | honest person; conscientious person | |
| 律動的 | りつどうてき | rhythmical | |
| 悉無律 | しつむりつ | all-or-none law | |
| 成文律 | せいぶんりつ | written law; statute law | |
| 戒律宗 | かいりつしゅう | Ritsu (school of Buddhism) | |
| 排他律 | はいたりつ | exclusion principle | |
| 比律賓 | フィリピン | Philippines | |
| 無規律 | むきりつ | undisciplined; disorganized; loose; slipshod | |
| 純正律 | じゅんせいりつ | just intonation; pure intonation | |
| 自同律 | じどうりつ | law of identity; principle of identity | |
| 自然律 | しぜんりつ | natural law | |
| 韻律論 | いんりつろん | prosody | |
| 一律減反 | いちりつげんたん | reduction in area of rice under cultivation | |
| 一律課税 | いちりつかぜい | flat tax; uniform taxation | |
| 七言律詩 | しちごんりっし | poem of eight lines, each of seven (Chinese) characters | |