| 歳 | さい | ... years old; age (of) ... | n3 |
| 歳月 | さいげつ | time; years | n1 |
| 万歳 | ばんざい | banzai; hurray; hurrah; hooray | |
| 萬歳 | まんざい | door-to-door manzai; form of comedy originally performed at people's homes by entertainers during the New Year festivities; precursor to modern day manzai | |
| 千歳 | ちとせ | thousand years; millennium; eternity | |
| 歳暮 | せいぼ | year-end gift; end of the year; year end | n2 |
| 何歳 | なんさい | how old; what age | |
| 千秋万歳 | せんしゅうばんぜい | may you live a thousand years | |
| 歳時記 | さいじき | almanac of seasonal words (for haiku poets) | |
| お歳暮 | おせいぼ | year-end gift; end of the year; year end | |
| 歳末 | さいまつ | year end | |
| 年々歳々 | ねんねんさいさい | annually; every year; year in year out; from year to year | |
| 当歳 | とうさい | year of birth; this year | n1 |
| 万々歳 | ばんばんざい | matter for great congratulation | |
| 二十歳 | はたち | 20 years old; twenty | n3 |
| 歳入 | さいにゅう | annual revenue (government); annual income (government); budget receipts | |
| 歳晩 | さいばん | year's end | n1 |
| 5歳 | ごさい | five-year-old; five year old | |
| 0歳 | ゼロさい | under 1 year old (of a baby); 0 years old | |
| 歳の市 | としのいち | year-end fair; year-end market | |
| 4歳 | よんさい | four-year-old; four year old | |
| 歳費 | さいひ | annual expenditure; annual salary paid to Diet members | |
| 3歳 | さんさい | three-year-old; three year old | |
| 三歳 | さんさい | three-year-old; three year old | |
| 2歳 | にさい | two-year-old; two year old | |
| 歳徳神 | としとくじん | goddess of (lucky) directions | |
| 8歳 | はっさい | eight-year-old; eight year old | |
| 歳出 | さいしゅつ | annual expenditure (of a state, organization, etc.) | |
| 万歳三唱 | ばんざいさんしょう | three cheers | |
| 千歳飴 | ちとせあめ | red and white candy stick sold at children's festivals | |
| 五歳 | ごさい | five-year-old; five year old | |
| 歳々 | さいさい | annual | |
| 歳差 | さいさ | (phenomenon of) precession of the equinoxes | |
| 6歳 | ろくさい | six-year-old; six year old | |
| 御歳暮 | おせいぼ | year-end gift; end of the year; year end | |
| 1歳 | いっさい | one-year-old; one year old | n2 |
| 歳旦 | さいたん | New Year's morning; morning of New Year's Day; New Year's Day | n1 |
| 四歳 | よんさい | four-year-old; four year old | |
| 9歳 | きゅうさい | nine-year-old; nine year old | |
| 百歳 | ひゃくねん | century; hundred years; a long time | |
| 六歳 | ろくさい | six-year-old; six year old | |
| 幾歳 | いくねん | number of years | |
| 七歳 | ななさい | seven-year-old; seven year old | |
| 大歳 | たいさい | Taisai; one of the eight gods of the traditional calendar; Jupiter (planet) | |
| 歳次 | さいじ | year | |
| 歳事 | さいじ | events of the year; happenings of the year | |
| 歳役 | さいえき | labor system in which able-bodied men were required to work for periods in the capital (ritsuryō system) | |
| 歳計 | さいけい | annual account | |
| 三河万歳 | みかわまんざい | Mikawa manzai; style of manzai originating in the Mikawa region in Aichi prefecture | |
| 三河萬歳 | みかわまんざい | Mikawa manzai; style of manzai originating in the Mikawa region in Aichi prefecture | |
| 歳破 | さいは | Saiha; one of the eight gods of the traditional calendar | |
| 7歳 | ななさい | seven-year-old; seven year old | |
| 八歳 | はっさい | eight-year-old; eight year old | |
| 十歳 | じゅっさい | ten-year-old; ten year old | |
| 歳歳 | さいさい | annual | |
| 一歳 | いっさい | one-year-old; one year old | n2 |
| 二歳 | にさい | two-year-old; two year old | |
| 歳神 | としがみ | kami celebrated at the beginning of New Year (usu. to pray for a good harvest); goddess of (lucky) directions | |
| 歳代 | さいだい | decade (of age); -ties (e.g. sixties) | n4 |
| 大歳神 | おおとしのかみ | guardian deity of grain farming; guardian deity of the rice harvest | |
| 歳星 | さいせい | Jupiter | n3 |
| 太歳 | たいさい | Taisai; one of the eight gods of the traditional calendar; Jupiter (planet) | |
| 晩歳 | ばんさい | one's later years; final years; old age | |
| 零歳児 | ゼロさいじ | child under a year old | |
| 千歳あめ | ちとせあめ | red and white candy stick sold at children's festivals | |
| 年年歳歳 | ねんねんさいさい | annually; every year; year in year out; from year to year | |
| 20歳 | はたち | 20 years old; twenty | n3 |
| 歳刑 | さいきょう | Saikyō; one of the eight gods of the traditional calendar | n2 |
| 〇歳 | ゼロさい | under 1 year old (of a baby); 0 years old | |
| 九歳 | きゅうさい | nine-year-old; nine year old | |
| 凶歳 | きょうさい | poor crop year | |
| 寅歳 | とらどし | year of the Tiger | |
| 歳殺 | さいせつ | Saisetsu; one of the eight gods of the traditional calendar | |
| 直歳 | しっすい | one of the six administrators of a Zen temple (in charge of maintenance and groundskeeping) | |
| 肇歳 | ちょうさい | beginning of the year | |
| 零歳 | ゼロさい | under 1 year old (of a baby); 0 years old | |
| いい歳 | いいとし | mature age; advanced age; maturity; age when one is old enough to know better | |
| ゼロ歳 | ゼロさい | under 1 year old (of a baby); 0 years old | |
| 万万歳 | ばんばんざい | matter for great congratulation | |
| 八千歳 | はっせんねん | 8000 years; thousands of years; eternity | |
| 八歳児 | やつご | octuplet; eight-year-old child | |
| 千歳鳥 | ちとせどり | crane (bird) | |
| 同い歳 | おないどし | the same age | |
| 当歳馬 | とうさいば | yearling; one-year-old horse | |
| 当歳駒 | とうさいごま | yearling; one-year-old colt | |
| 歳くう | としくう | to grow older (than expected); to advance in age | |
| 歳とる | としとる | to grow old; to age | |
| 歳の瀬 | としのせ | the year end; end of the year; last days of the year | |
| 歳取る | としとる | to grow old; to age | |
| 歳喰う | としくう | to grow older (than expected); to advance in age | |
| 歳未満 | さいみまん | under ... years of age; less than ... years old | |
| 歳相応 | としそうおう | age-appropriate (esp. of clothing, hairstyles) | |
| 歳食う | としくう | to grow older (than expected); to advance in age | |
| 青二歳 | あおにさい | green youth; immature youth; novice; greenhorn | |
| 0歳児 | ゼロさいじ | child under a year old | |
| 10歳 | じゅっさい | ten-year-old; ten year old | |
| おない歳 | おないどし | the same age | |
| ゼロ歳児 | ゼロさいじ | child under a year old | |
| 一般歳出 | いっぱんさいしゅつ | general expenditures; general spending | |
| 万歳事件 | ばんざいじけん | March 1st Movement (Korea); Sam-il Movement | |
| 六歳臼歯 | ろくさいきゅうし | six-year molar | |
| 歳々年々 | さいさいねんねん | annually; every year; year in and year out; from year to year | |
| 歳とった | としとった | old (person); aged | |
| 歳の割に | としのわりに | for one's age | |
| 歳をくう | としをくう | to grow older (than expected); to advance in age | |
| 歳をとる | としをとる | to grow old; to age | |
| 歳を取る | としをとる | to grow old; to age | |
| 歳を喰う | としをくう | to grow older (than expected); to advance in age | |
| 歳を食う | としをくう | to grow older (than expected); to advance in age | |
| 歳入歳出 | さいにゅうさいしゅつ | annual income and expenditure | |
| 歳取った | としとった | old (person); aged | |
| 歳寒三友 | さいかんさんゆう | the three friends of winter (pine, bamboo and plum) | |
| 歳差運動 | さいさうんどう | (motion of) precession of the equinoxes; precession | |
| 歳末商戦 | さいまつしょうせん | battle for sales at year-end; year-end shopping season | |
| 歳歳年年 | さいさいねんねん | annually; every year; year in and year out; from year to year | |
| 歳老いる | としおいる | to grow old | |
| 特別歳入 | とくべつさいにゅう | special revenue | |
| 魔の二歳 | まのにさい | terrible twos | |
| 魔の2歳 | まのにさい | terrible twos | |
| いい歳して | いいとしして | (in spite of) being old enough to know better | |
| 天使の四歳 | てんしのよんさい | fabulous fours (age); fantastic fours; angelic fours | |
| 天使の4歳 | てんしのよんさい | fabulous fours (age); fantastic fours; angelic fours | |
| 寅歳生まれ | とらどしうまれ | being born in the year of the Tiger; person born in the year of the Tiger | |
| 悪魔の三歳 | あくまのさんさい | terrifying threes; terrible threes; threenager phase; devilish threes | |
| 悪魔の3歳 | あくまのさんさい | terrifying threes; terrible threes; threenager phase; devilish threes | |
| 歳のいった | としのいった | older (person); elderly | |
| 歳の行った | としのいった | older (person); elderly | |
| 歳を重ねる | としをかさねる | to age; to grow old | |
| 魔の二歳児 | まのにさいじ | (child in the) terrible twos | |
| 魔の2歳児 | まのにさいじ | (child in the) terrible twos | |
| いい歳をして | いいとしをして | (in spite of) being old enough to know better | |
| マイナス一歳 | マイナスいっさい | prenatal period (of a baby's development); period when a baby is in the womb | |
| マイナス1歳 | マイナスいっさい | prenatal period (of a baby's development); period when a baby is in the womb | |
| 一般会計歳出 | いっぱんかいけいさいしゅつ | general account expenditure | |
| 悪魔の三歳児 | あくまのさんさいじ | threenager; child in the terrifying threes | |
| 悪魔の3歳児 | あくまのさんさいじ | threenager; child in the terrifying threes | |
| 歳末大売出し | さいまつおおうりだし | big year-end sale | |
| 歳を追うごとに | としをおうごとに | year after year; as the years go by; with each passing year | |
| 歳月人を待たず | さいげつひとをまたず | time waits for no man; time and tide stay for no man | |
| 歳月流るる如し | さいげつながるるごとし | time flies like an arrow | |
| 歳末大売り出し | さいまつおおうりだし | big year-end sale | |
| 公立千歳科学技術大学 | こうりつちとせかがくぎじゅつだいがく | Chitose Institute of Science and Technology | |
| 死んだ子の歳を数える | しんだこのとしをかぞえる | crying over spilt milk; counting the age of one's dead child | |
| 男女七歳にして席を同じゅうせず | だんじょななさいにしてせきをおなじゅうせず | after age 7, boys and girls should be kept apart | |
| 北海道千歳リハビリテーション大学 | ほっかいどうちとせリハビリテーションだいがく | Hokkaido Chitose College of Rehabilitation | |
| 子供は三歳までに一生分の親孝行をする | こどもはさんさいまでにいっしょうぶんのおやこうこうをする | children pay back their debt to their parents in full by age 3 (through their cuteness) | |
| 子供は3歳までに一生分の親孝行をする | こどもはさんさいまでにいっしょうぶんのおやこうこうをする | children pay back their debt to their parents in full by age 3 (through their cuteness) | |
| こどもは三歳までに一生分の親孝行をする | こどもはさんさいまでにいっしょうぶんのおやこうこうをする | children pay back their debt to their parents in full by age 3 (through their cuteness) | |
| こどもは3歳までに一生分の親孝行をする | こどもはさんさいまでにいっしょうぶんのおやこうこうをする | children pay back their debt to their parents in full by age 3 (through their cuteness) | |
| 子どもは三歳までに一生分の親孝行をする | こどもはさんさいまでにいっしょうぶんのおやこうこうをする | children pay back their debt to their parents in full by age 3 (through their cuteness) | |
| 子どもは3歳までに一生分の親孝行をする | こどもはさんさいまでにいっしょうぶんのおやこうこうをする | children pay back their debt to their parents in full by age 3 (through their cuteness) | |