| English definition | Japanese (romaji) | Hiragana | Katakana | Kanji |
| sa | sa | さ | | |
| lonely | sabishii | | | |
| in search of / in order to look for | sagashini | | | |
| search / look for | sagasu | | | |
| wallet | saifu | | | |
| slope / hill | saka | | | |
| prosperous | sakan | さかん | | 昌 |
| fish | sakana | | | |
| shout / cry | sakebu | | | |
| soccer player | sakkaa senshu | | | |
| cherry (blossom) | sakura | | | |
| Cold | samui | | | |
| Cold | samui | | | |
| cold (perron's temp) | samui | | | |
| three | san | さん | | 三 |
| three years | san nen | | | |
| the 30th | san-juu nichi | | | |
| sandwich | sandoitchi | | サンドイtチ | |
| March | sangatsu | | | |
| three months | sangetsu | | | |
| coral | sango | | | |
| three hours | sanjikan | | | |
| 31st (of the month) | sanjuuichinichi | | | |
| 30th (of the month) | sanjuunichi | | | |
| to take a walk (in the park) | sanpo-shimasu (kouen o) | | | |
| to go for a walk | sanposhimasu | | | |
| three minutes | sanpun | | | |
| three weeks | sanshukan | | | |
| severely / harshly | sanzan | | | |
| feeling refreshed / feeling relieved | sappari | | | |
| salad | sarada | | | |
| to carry off / to kidnap | sarau | | | |
| honourific or passive form of suru | sareru | | | |
| give / offer | sashiageru | | | |
| invitation / introduction | sasoi | | | |
| quickly | sassato | | | |
| at once / right away | sassoku | | | |
| shine | sasu | | | |
| well / now / then | sate | | | |
| Auf Wiedersehen | Sayounara | | | |
| se | se | せ | | |
| spine | sebone | せぼね | | 呂 |
| politician | seejika | | | |
| products | seihin | | | |
| life | seikatsu | | | |
| world | sekai | | | |
| with trouble / at great pains | sekkaku | | | |
| narrow, small | semai | | | |
| small, narrow | semai | | | |
| thousand | sen | せん | | 千 |
| specialty | sen | せん | | 專 |
| last month | sengetsu | | | |
| last week | senshu | | | |
| sellotape | seroteepu | | セロテープ | |
| propelling pencil | shaapu penshiru | | シャープ ペンシル | |
| employee | shain | | | |
| ladle | shaku | しゃく | | 勺 |
| photo | shashin | | | |
| shirt | shatsu | | シャツ | |
| shi | shi | し | | |
| happiness / good fortune | shiawase | | | |
| firewood | shiba | | | |
| firewood gathering | shibakari | | | |
| short while | shibaraku | | | |
| July | shichigatsu | | | |
| July | shichigatsu | しちがつ | | |
| seven hours | shichijikan | | | |
| April | shigatsu | | | |
| work | shigoto | | | |
| work, business | shigoto | | | |
| it can't be helped / it's inevitable | shikatanai | | | |
| helplessly / reluctantly / as a last resort | shikatanaku | | | |
| fail / blunder | shikujiru | | | |
| to do, to play (sport) | shimasu | | | |
| do (formal) | shimasu | | | |
| to finish / to complete / to do something completely | shimau | | | |
| goods | shina | しな | | 品 |
| quality | shinagara | | | |
| do (negative) | shinai | | | |
| die | shine | | | |
| Singapore | Shingapouru | | | |
| worry / concern / anxiety | shinpai | | | |
| kind | shinsetsu (na) | | | |
| failure / mistake | shippai | | | |
| to get to know | shirimasu | | | |
| white | shiro | しろ | | 白 |
| white | shiroi | | | |
| to know | shiru | | | |
| materials | shiryou | | | |
| underneath | shita | | | |
| tongue | shita | した | | 舌 |
| tongue / tongue like object | shita | | | |
| do (past) | shita | | | |
| under / below | shita | した | | 下 |
| preparation | shitaku | | | |
| do (-te) | shite | | | |
| to do for (someone) | shiteyaru | | | |
| to know | shitte imasu | | | |
| city hall | shiyakusho | | | |
| town hall | shiyakusho | | | |
| do (volitional) | shiyou | | | |
| quiet / peaceful | shizuka | | | |
| shock | shokku | | ショック | |
| dining room | shokudou | | | |
| meal / to eat | shokuji | | | |
| to have a meal, dine out | shokuji-shimasu | | | |
| to have a meal | shokujishimasu | | | |
| shining / bright | shou | しょう | | 昭 |
| daughter / young lady | shoujo | | | |
| allow me to introduce to you | shoukaishimasu | | | |
| boys / juveniles | shounen | | | |
| please wait (a minute) | shoushou (o-machi kudasai) | | | |
| Please mait a minute | shoushou ma kudasai | | | |
| weekend | shuumatsu | | | |
| tsuwarimasu | sit down | | | |
| quiet | sizuka (na) | | | |
| so | so | そ | | |
| near / close | soba | | | |
| grandmother | sobo | | | |
| your place | sochira | | | |
| grandfather | sofu | | | |
| parents | sofubo | | | |
| software | sofuto | | ソフト | |
| there | soko | | | |
| so / accordingly / now / thereupon | sokode | | | |
| rule | soku | そく | | 則 |
| special delivery | sokutatsu | | | |
| that | sono | | | |
| without change / as it is | sonomama | | | |
| at a time | sonotoki | | | |
| at that time | sonotoki | | | |
| eventually / sooner or later | sonouchi | | | |
| in addition / furthermore | sonoue | | | |
| so | soo | | | |
| sky / the heavens | sora | | | |
| that | sore | | | |
| thereupon | sorede | | | |
| well then... / in that situation | soreja | それじゃ | | 其れじゃ |
| and, furthermore | sorekara | | | |
| and then / after that | sorekara | | | |
| well then... / in that case... | sorekara | | | |
| then, after that | sorekara | | | |
| besides / moreover | soreni | | | |
| gradually | sorosoro | | | |
| and (connector) | soshite | | | |
| outside | soto | | | |
| I see/Is that so? | sou desu ka | | | |
| I agree with you | sou desu ne | | | |
| Let's do that then | sou shimashou | | | |
| that is so / that is right | souda | | | |
| what's up with / what's the deal with | soushitamono | | | |
| su | su | す | | |
| glide / slide / slip | suberu | | | |
| figure / shape / appearance | sugata | | | |
| pass / go beyond | sugiru | | | |
| that's amazing | sugoi desu ne | | | |
| swimmer | suiee senshu | | | |
| to smoke | suimasu | | | |
| switch | suitchi | | スイtチ | |
| Wednesday | suiyoubi | | | |
| Wednesday | suiyoubi | すいようび | | 水曜日 |
| all / completely / thoroughly | sukari | | | |
| feel hungry | sukaseru | | | |
| ice skates | sukettogutsu | | | |
| like | suki (na) | | | |
| skiing | sukii | | スキー | |
| skiing | sukii (o shimasu) | | | |
| beef and vegetable hotpot | sukiyaki | | | |
| completely | sukkari | | | |
| all / completely / thoroughly | sukkari | | | |
| clearly / refreshed | sukkiri | | | |
| little / small quantity | sukoshi | | | |
| a little, a few | sukoshi | | | |
| little by little | sukoshizutsu | | | |
| few (people), a little | sukunai (hito ga) | | | |
| live | sumu | | | |
| measurement | sun | すん | | 寸 |
| sand pit | sunaasobi | | | |
| obedient | sunao | | | |
| to live | sunde imasu | | | |
| space station | Supeesusuteeshon | | | |
| Spain | Supein | | スペイン | |
| athlete | supou tsu senshu | | | |
| sport | supoutsu | | スポウツ | |
| spoon | supuun | | スプーン | |
| earthenwear mortar for grinding | suribachi | | | |
| pulverise | suritsubusu | | | |
| do | suru | | | |
| thereupon | suruto | | | |
| step forward | susumideru | | | |
| lovely / dreamy / beautiful | suteki | すてき | | 素敵 |
| fine, nice, wonderful | suteki (na) | | | |
| sparrow | suzume | | | |
| cool | suzushii | | | |
