| 最初 | さいしょ | beginning; outset; first; onset | n4 |
| 初めて | はじめて | for the first time; only after ... is it ...; only when ... do you ...; not until ... do you ... | n5 |
| 初め | はじめ | beginning; start; outset; opening | n5 |
| 初心者 | しょしんしゃ | beginner | n2 |
| 初 | はつ | first; new | n1 |
| 初期 | しょき | early days; early years; early stages; initial stages | n2 |
| 初夏 | しょか | early summer; fourth month of the lunar calendar | n2 |
| 当初 | とうしょ | beginning; start; outset; at first | n2 |
| 初める | そめる | to begin to | n2 |
| 初対面 | しょたいめん | first meeting; first interview with | n2 |
| 初年 | しょねん | first year; early years (of a reign or era) | |
| 初代 | しょだい | first generation; founder | |
| 初秋 | しょしゅう | early autumn (fall); seventh month of the lunar calendar | n2 |
| 初心者向け | しょしんしゃむけ | beginner-friendly; (intended) for beginners; aimed at beginners | |
| 初頭 | しょとう | beginning (of a century, etc.) | n1 |
| 初冬 | しょとう | early winter; tenth month of the lunar calendar | n1 |
| 初心 | しょしん | one's original intention; one's initial enthusiasm; inexperience; naivety | |
| 初歩 | しょほ | basics; rudiments; elements; ABCs of ... | n2 |
| 初日 | しょにち | first day; opening day | n1 |
| 初回 | しょかい | first time; first innings; initial attempt; first | |
| 初耳 | はつみみ | something heard for the first time; hearing something for the first time | |
| 初旬 | しょじゅん | first 10 days of the month | |
| 初々しい | ういういしい | (young and) innocent; naive; pure; fresh | |
| 初恋 | はつこい | first love; puppy love | n1 |
| 初版 | しょはん | first edition | |
| 初春 | しょしゅん | early spring; beginning of spring; first month of the lunar calendar | |
| 初手 | しょて | first move (in shogi, go, etc.); beginning; start | |
| 初出 | しょしゅつ | first appearance | |
| 初めとする | はじめとする | commencing with; including | |
| 初音 | はつね | first warbling heard in a New Year | |
| 初詣 | はつもうで | first shrine visit of the New Year | |
| 初級 | しょきゅう | elementary level; beginner level | n3 |
| 初めに | はじめに | first; firstly; first of all; to begin with | |
| 初等 | しょとう | elementary; primary | n1 |
| お初 | おはつ | (for the) first time; something used (worn, etc.) for the first time; new item; first of the season (crop, fruit, etc.) | |
| 初雪 | はつゆき | first snow (of the season); first snowfall | |
| 初夜 | しょや | bridal night; first night; first watch of the night | |
| 初老 | しょろう | past middle age; nearing old age; near-elderly; age 40 | |
| 初段 | しょだん | first rank in the senior class (in martial arts, go, etc.); lowest rank; one dan | |
| 世界初 | せかいはつ | world's first; first in the world | |
| 初陣 | ういじん | one's first campaign; one's first battle | |
| 日本初 | にほんはつ | first (of its kind) in Japan | |
| 史上初 | しじょうはつ | first in history | |
| 初午 | はつうま | first "horse day" in any lunar month, but esp. the second lunar month; traditional day for worship at "fox deity" shrines | |
| 仮初 | かりそめ | temporary; transient; transitory; fleeting | |
| 初更 | しょこう | first watch of the night (approx. 7pm to 9pm) | |
| 初演 | しょえん | first performance; premiere | |
| 見初める | みそめる | to fall in love at first sight; to see for the first time; to meet for the first time; to have sexual relations for the first time | |
| 初学 | しょがく | learning (a subject) for the first time; start of one's study | |
| 初見 | しょけん | seeing for the first time; first sight; first meeting; sight-reading | |
| 初公開 | はつこうかい | debut; opening; first public exhibition | |
| 初号 | しょごう | first number (e.g. issue of a magazine); No. 1 type | |
| 初志 | しょし | one's original intention; one's original purpose; one's original aim | |
| 初産 | ういざん | first childbirth | |
| 初子 | ういご | first child | |
| 初孫 | ういまご | first grandchild | |
| 初出場 | はつしゅつじょう | debut; first appearance | |
| 初物 | はつもの | first of the season (e.g. produce, catch); virgin | |
| 書き初め | かきぞめ | first calligraphy of the year | |
| 初茸 | ハツタケ | red milk mushroom (Lactarius hatsudake); hatsutake mushroom | |
| 初鰹 | はつがつお | the first bonito of the season | |
| 初婚 | しょこん | first marriage | |
| 太初 | たいしょ | beginning of the world | n2 |
| 初穂 | はつほ | first ears of rice of the season; first crops of the season; first harvest of the season; offering (to the gods) | |
| 初穗 | はつほ | first ears of rice of the season; first crops of the season; first harvest of the season; offering (to the gods) | |
| 初めから | はじめから | from the beginning | |
| 初登場 | はつとうじょう | debut; first appearance | |
| 初発 | しょはつ | start; first departure | |
| 初級者 | しょきゅうしゃ | beginner; novice; neophyte | |
| 初夢 | はつゆめ | first dream of the New year (believed to foretell one's luck); dream on the night of setsubun | |
| 初舞台 | はつぶたい | debut; initial stage appearance | |
| 最初期 | さいしょき | earliest stage; very beginning; earliest phase; earliest days | |
| 初会 | しょかい | meeting for the first time; first meeting | |
| 初日の出 | はつひので | first sunrise of the year; sunrise on New Year's Day | |
| 初度 | しょど | first-time; initial | |
| 初戦 | しょせん | first match (in a series) | |
| 初声 | はつこえ | first sound of the year for an animal; first sound of the season | |
| 書初め | かきぞめ | first calligraphy of the year | |
| 初犯 | しょはん | first offence; first offense; first offender; first-time offender | |
| 初優勝 | はつゆうしょう | first championship win (esp. sumo) | |
| 初年度 | しょねんど | first year; initial (year) | |
| 初荷 | はつに | first cargo of the year | |
| 年初 | ねんしょ | beginning of the year | |
| 出初め | でぞめ | debut | |
| 初稿 | しょこう | first draft; first proof | |
| 初節句 | はつぜっく | baby's first annual festival | |
| 初動 | しょどう | initial response (e.g. to a crisis); action in the earliest stages; initial shock (of an earthquake); preliminary tremor | n2 |
| 原初 | げんしょ | origin; source; beginning; starting point | n1 |
| 初診 | しょしん | initial medical examination; first visit (to a doctor, clinic, hospital, etc.) | |
| 初盆 | はつぼん | first Bon Festival following the death of a family member | |
| 初一念 | しょいちねん | original intention | |
| 初月 | しょげつ | first month of the lunar calendar; first month; first moon of the month; new moon | |
| 初生 | しょせい | firstborn; first-produced; newborn | |
| 初学者 | しょがくしゃ | beginning student; beginner | |
| 初生児 | しょせいじ | newborn baby | |
| 初句 | しょく | first five syllables (of a tanka); first line (of a poem) | n2 |
| 初速 | しょそく | initial velocity | |
| 初会合 | はつかいごう | first meeting | |
| お食い初め | おくいぞめ | okuizome; weaning ceremony; ritual meal for a 100-day old infant | |
| 初挑戦 | はつちょうせん | first challenge; first try | |