せ
| 平仮名・片仮名 | 漢字 | 英語 |
| せい | height | |
| せいと | 生と | student |
| セーター | sweater | |
| せっけん | soap | |
| せびろ | jacket; suit | |
| せまい | narrow; small; not spacious | |
| ゼロ | zero | |
| せん | 千 | thousand |
| せんげつ | 先月 | last month |
| せんしゅう | 先週 | last week |
| せんせい | 先生 | teacher |
| せんたく | wash | |
| ぜんぶ | all |
| 日本語 | 英語 |
| せい(背) | height |
| ~せい(~製) | made of (in) |
| せいかつ(生活)・する | living, life |
| せいじ(政治) | politics; government |
| せいと(生徒) | student |
| せいよう(西洋) | West / Western countries |
| セーター | sweater |
| せかい(世界) | world |
| せき(席) | seat |
| せっけん | soap |
| せつめい(説明) | explanation |
| せなか(背中) | back |
| ぜひ | by some means / without fail |
| せびろ(背広) | business suit |
| せまい(狭い) | narrow |
| ゼロ | zero |
| せわ(世話) | take care of |
| せん(千) | thousand |
| せん(線) | line |
| せんげつ(先月) | last month |
| せんしゅう(先週) | last week |
| せんせい(先生) | teacher |
| ぜんぜん | (not) at all |
| せんそう(戦争) | war |
| せんたく(洗濯) | laundry, washing |
| せんぱい(先輩) | one’s senior |
| ぜんぶ(全部) | all |
| せんもん(専門) | specialty, expert |