| 六月 | ろくがつ | June; sixth month of the lunar calendar | n5 |
| 六つ | むっつ | six; six years of age; six o'clock (old time system) | n5 |
| 六 | ろく | six; 6 | n5 |
| 一六 | じゅうろく | sixteen; 16 | |
| 双六 | すごろく | race game (board game played with dice in which the object is to reach the end of a track); ban-sugoroku; sugoroku; traditional Japanese board game similar to backgammon | |
| 雙六 | すごろく | race game (board game played with dice in which the object is to reach the end of a track); ban-sugoroku; sugoroku; traditional Japanese board game similar to backgammon | |
| 第六感 | だいろっかん | the sixth sense; intuition; hunch | |
| 六道 | ろくどう | the six realms (Deva realm, Asura realm, Human realm, Animal realm, Hungry Ghost realm, Naraka realm) | |
| 六朝 | りくちょう | Six Dynasties (of China: Eastern Wu, Eastern Jin, Song, Qi, Liang, Chen); calligraphic style of the Six Dynasties period | |
| 六角 | ろっかく | hexagon | |
| 六尺棒 | ろくしゃくぼう | 6-shaku-long wooden pole (traditionally used for self-defence, capturing lawbreakers, etc.); carrying pole; shoulder pole | |
| 四六時中 | しろくじちゅう | around the clock; day and night | |
| 小六 | しょうろく | sixth year of elementary school; sixth year elementary school student | |
| 五臓六腑 | ごぞうろっぷ | the five viscera and the six internal organs; inside one's body; in one's heart | |
| 助六 | すけろく | inari and maki sushi served together | |
| 六花 | りっか | snow | |
| 六角形 | ろっかっけい | hexagon | |
| 六方 | ろっぽう | the six directions (north, south, east, west, up, and down); hexagonal | |
| 六法 | ろっぽう | six codes (constitution, civil code, criminal code, commercial code, code of civil procedure, code of criminal procedure); Compendium of Laws | |
| 六地蔵 | ろくじぞう | the Six Ksitigarbhas (one for each of the six realms) | |
| 六根 | ろっこん | six sense organs (eyes, ears, nose, tongue, body, and mind) | |
| 二六時中 | にろくじちゅう | night and day; all the time | |
| 六日 | むいか | 6th day of the month; six days | n5 |
| 六人 | ろくにん | six people | |
| 二六 | にじゅうろく | 26; twenty six; 2am | |
| 六段 | ろくだん | sixth dan (in martial arts, go, shogi, etc.) | |
| 宿六 | やどろく | husband | |
| 甚六 | じんろく | dunce; blockhead | |
| 十六夜 | いざよい | sixteen-day-old moon | |
| 六歌仙 | ろっかせん | six immortals of poetry; six notable Japanese poets whose poems were included in the anthology Kokin Wakashū | |
| 六時 | ろくじ | six o'clock; six periods of a day (morning, midday, afternoon, evening, midnight, late night) | |
| 六韜三略 | りくとうさんりゃく | The Six Secret Teachings and The Three Strategies of Huang Shigong (two ancient Chinese military treatises); secrets (of the art of war, etc.); mysteries | |
| 六十路 | むそじ | age sixty; one's sixties | |
| 六法全書 | ろっぽうぜんしょ | compendium of laws; statute books; complete book of the Six Codes | |
| 二十六日 | にじゅうろくにち | 26th day of the month; 26 days | |
| 六波羅蜜 | ろくはらみつ | the six virtues (perfections) a Buddha elect practices to attain supreme enlightenment | |
| 六部 | ろくぶ | six copies; Buddhist pilgrim (carrying 66 copies of the Lotus Sutra to be left at sites across Japan) | |
| 四分六 | しぶろく | six to four ratio; sixty-forty | |
| 三十六計 | さんじゅうろっけい | the 36 (ancient Chinese military) strategies (of which the last resort was said to be beating a retreat) | |
| 贅六 | ぜいろく | person from Kansai | |
| 六分儀 | ろくぶんぎ | sextant | |
| 十六日 | じゅうろくにち | 16th day of the month; 16 days | |
| 三面六臂 | さんめんろっぴ | rush of business; versatility; man who can do the work of many | |
| 六字の名号 | ろくじのみょうごう | the six written characters of Buddha's name (used in prayer) | |
| 丈六 | じょうろく | one jō and six shaku (4.85m); statue of Buddha measuring one jō and six shaku; sitting cross-legged | |
| 六種 | ろくしゅ | six kinds | |
| 六尺 | ろくしゃく | six feet; traditional Japanese G-string for men; palanquin bearer | |
| 六白 | ろっぱく | sixth of nine traditional astrological signs (corresponding to Venus and north-west) | |
| 六道銭 | ろくどうせん | six coins placed in a casket (said to be to pay the fare to cross the River Sanzu) | |
| 八面六臂 | はちめんろっぴ | competent in all fields; jack of all trades; very active in many fields; versatile | |
| 六本 | ろっぽん | six (long cylindrical things) | |
| 兵六玉 | ひょうろくだま | nincompoop; simpleton | |
| 六腑 | ろっぷ | the six internal organs (large intestine, small intestine, gallbladder, stomach, san jiao, urinary bladder) | |
| 才六 | ぜいろく | person from Kansai | |
| 六面体 | ろくめんたい | hexahedron | |
| 四六判 | しろくばん | shirokuban (paper size of 127x188mm); duodecimo | |
| 六体 | りくたい | the six historical styles of writing kanji: large seal, small seal, clerical, triangular-swept clerical, running, and cursive | |
| 六分 | ろっぷん | six minutes | |
| 六合 | りくごう | the universe; the cosmos | |
| 六味 | ろくみ | six flavors (bitter, sour, sweet, salty, spicy, light); six palates; six tastes; rokumi-gan (patent medicine) | |
| 六大 | ろくだい | the six elements (earth, water, fire, wind, void, and consciousness) | |
| 六つ時 | むつどき | (approx.) six o'clock (am or pm, old time system) | |
| 六観音 | ろくかんのん | the Six Forms of Avalokitesvara (one for each of the six realms) | |
| 四六文 | しろくぶん | elegant classical Chinese prose employing antitheses using four and six-character compound words | |
| 四六版 | しろくばん | shirokuban (paper size of 127x188mm); duodecimo | |
| 六官 | りくかん | six ministries (of Zhou dynasty China) | |
| 六書 | りくしょ | the six classes of Chinese characters; the six historical styles of writing Chinese characters; Hexateuch (first six books of the Hebrew Bible) | |
| 六義 | りくぎ | six forms of the Shi Jing (genre: folk song, festal song, hymn; style: narrative, explicit comparison, implicit comparison); six forms of waka (allegorical, enumerative, metaphorical, allusive, plain, congratulatory); six principles of calligraphy; six classes of kanji characters | |
| 第六 | だいろく | sixth | |
| 六月病 | ろくがつびょう | blues experienced by workplace recruits shortly after beginning work | |
| 千六本 | せんろっぽん | julienne (esp. of daikon); long, thin strips | |
| 上方贅六 | かみがたぜいろく | people from Kansai | |
| 六かしい | むずかしい | difficult; hard; troublesome; complicated | n5 |
| 六ヶ敷い | むずかしい | difficult; hard; troublesome; complicated | n5 |
| 六借しい | むずかしい | difficult; hard; troublesome; complicated | n5 |
| 九六 | くんろく | ozeki ranked wrestler unable to live up to the expectations of his rank | |
| 六〇 | ろくじゅう | sixty; 60 | |
| 六信 | ろくしん | the six articles of faith (in Islam) | |
| 六入 | ろくにゅう | six sense organs (eyes, ears, nose, tongue, body, and mind) | |
| 六処 | ろくしょ | six sense organs (eyes, ears, nose, tongue, body, and mind) | |
| 六割 | ろくわり | sixty percent | |
| 六十 | ろくじゅう | sixty; 60 | |
| 六卿 | りくけい | six ministers (of the six Zhou dynasty Chinese ministries) | |
| 六国 | りっこく | the Six Kingdoms (of China's Warring States period: Qi, Chu, Yan, Han, Wei and Zhao); the six tree-derived incense varieties used in kōdō ceremonies | |
| 六境 | ろっきょう | six objective fields of the senses (shape and colour, sound, scent, flavour, physical feeling, and mental presentation) | |
| 六府 | ろっぷ | the six internal organs (large intestine, small intestine, gallbladder, stomach, san jiao, urinary bladder) | |
| 六情 | ろくじょう | the six emotions (joy, anger, sorrow, pleasure, love and hatred) | |
| 六感 | ろっかん | the six senses | |
| 六曜 | ろくよう | Japanese calendar's six labels, indicating how auspicious each day is | |
| 六気 | ろっき | yin, yang, wind, rain, darkness, light; cold, heat, dryness, dampness, wind, fire; six emotions (joy, anger, sorrow, pleasure, love, hate) | |
| 六淫 | ろくいん | six external causes of illness in traditional Chinese medicine (wind, cold, fire/heat, dampness, dryness, heat of summer) | |
| 六百 | ろっぴゃく | 600; six hundred | |
| 六親 | ろくしん | the six blood relations | |
| 六識 | ろくしき | six consciousnesses (i.e. functions of the six sense organs: seeing, hearing, smelling, tasting, touching, and reasoning) | |
| 六輝 | ろっき | Japanese calendar's six labels, indicating how auspicious each day is | |
| 十六 | じゅうろく | sixteen; 16 | |
| 単六 | たんろく | AAAA battery; AAAA cell | |
| 四六 | しろく | four and six (minutes, etc.); twenty-four (product of four and six); shirokuban (paper size of 127x188mm); elegant classical Chinese prose employing antitheses using four and six-character compound words | |
| 花六 | はなろく | rabbity six (standard dead shape in go); rabbitty six | |
| 賽六 | さいろく | kid; brat; person from Kansai | |