| 綴字 | spelling |
| 阿字 | the letter a (in esoteric Buddhism) |
| 一字空ける | to leave a space (between words) |
| 一字削る | to delete a letter |
| 大字片山 | name of a town section |
| 片十字締め | cross choke |
| 活字を組む | to set type |
| 漢字制限論 | the question of limiting the use of Chinese characters |
| 錯字症 | paragraphia |
| 字号 | nickname |
| 数字に弱い | not good with figures |
| 赤十字附 | school attached to the Japan Red Cross Society |
| 細い字 | slender character |
| 文字合わせ錠 | combination lock |
| 符号化文字集合 | coded character set, code |
| 文字符号化法 | character encoding scheme |
| 文字符号系 | character coding system |
| 文字コード | character encoding (e.g. JIS, Unicode, etc.), character code |
| 振り漢字 | kanji printed as ruby, usually to explain kana |
| 貿易黒字 | trade surplus |
| 貿易赤字 | trade deficit |
| アラビア文字 | Arabic script |
| 顔文字 | smiley (face made up of characters), emoticon |
| ルーン文字 | rune |
| ローマ数字 | Roman numerals |
| 意字 | ideogram |
| 音節文字 | syllabic character |
| 華字 | Chinese character |
| 華字紙 | Chinese newspaper |
| 形声文字 | semasio-phonetic character (combining semantic and phonetic components) |
| 経常黒字 | current account surplus |
| 財政黒字 | budget surplus |
| 財政赤字 | budget deficit |
| 旧漢字 | old-style kanji |
| 大の字 | shape of the "dai" kanji (esp. person with arms and legs outstretched), sprawling, lying spread-eagled |
| 活字離れ | aliteracy, loss of interest in or shift away from reading (especially serious) books or literature |
| 訓令式ローマ字 | Kunrei-shiki romanization (romanisation), official kana romanization system |
| 空白文字 | space character |
| 相撲字 | writing style used to write the rankings |
| 相撲文字 | writing style used to write the rankings |
| 忍び文字 | Ninja script |
| 大字 | alternative kanji used for numbers |
| 名字帯刀 | the right to bear a surname and to wear a sword (during the Edo period) |
| 不立文字 | Buddhist revelation through intuitive discernment, Spiritual awakening cannot be experienced with words and letters, Spiritual enlightenment can be attained only by means of communion of mind with mind (Zen Buddhism) |
| 異字同訓 | different kanji with the same Japanese reading (and usu. a similar meaning) |
| 一字一字 | letter by letter, character by character |
| 一字半句 | a single word, (not even) a word, (not even) a syllable |
| 永字八法 | the eight basic brush strokes in writing Chinese characters |
| 活字世論 | public opinion (sentiment) as reflected in the print media |
| 活字中毒 | addiction to the printed word, reading addict, book (print) junkie |
| 甲骨文字 | ancient inscriptions of Chinese characters on oracle bones and carapaces |
| 苗字帯刀 | the right to bear a surname and to wear a sword (during the Edo period) |
| 四文字語 | four-letter word (English) |
| 四字成句 | Chinese four-character phrase or idiomatic expression |
| エス字型 | S-shape |
| 漢字試験 | kanji test, test of kanji skills |