English-japanese
| A & B, excellent & good, similarity | kouotsu |
| a (helping) hand, one's bit | ippi |
| a (photo)copy | kopi- |
| a bath | hitofuro |
| a battle, a game, a bout | issen |
| a beard one has because they're too lazy to shave | bushouhige |
| a beat, a round | ichijun |
| a belle, town beauty | komachi |
| a bent back, stoop | nekoze |
| a big haul, wholesale arrest | ichimoudajin |
| a biography | ichidaiki |
| a birthstone | tanjouseki |
| a bit | chito |
| a bit | chitto |
| a bit | ichibuichirin |
| a bit, a trifle | ichigou |
| a blast, puff, whiff, gust | hitofuki |
| a-bandezain | urban design |
| a-baniti- | urbanity |
| a-banraifu | urban life |
| a-banrinyuaru | urban renewal |
| a-bansupuro-ru | urban sprawl |
| a-bento | evening |
| a-bita | arbiter |
| a-bitore-shon | arbitration |
| a-cheri- | archery |
| a-chi | arch |
| a-chidamu | arch dam |
| a-chifakuto | artifact (an) |
| a-chisuto | artist |
| a-chizan | artisan |
| a-dento | ardent |
| a-gairu | argyle |
| a-garuchekku | argyle check |
