| term | pronunciation | English |
|---|
| 可 | か | passable |
| 不可 | ふか | wrong, bad, improper, unjustifiable, inadvisable |
| 可能性 | かのうせい | chance (likelihood) |
| 可能 | かのう | possible, practicable, feasible |
| 許可 | きょか | permission, approval |
| 不可侵 | ふかしん | inviolability, sacredness, nonaggression |
| 不可分 | ふかぶん | atomic, indivisibility |
| 不可欠 | ふかけつ | indispensable, essential |
| 不可能 | ふかのう | impossible |
| 不可避 | ふかひ | inevitable, inescapable, unavoidable |
| 允可 | いんか | permission, assent, compliance |
| 可也 | かなり | considerably, fairly, quite |
| 可及的 | かきゅうてき | as ... as possible |
| 可否 | かひ | propriety; pro and con, ayes and noes |
| 可哀相 | かわいそう | poor, pitiable, pathetic |
| 可塑 | かそ | plastic |
| 可塑剤 | かそざい | plasticizer, plasticiser |
| 可塑性 | かそせい | plasticity |
| 可塑物 | かそぶつ | plastics |
| 可塑物質 | かそぶっしつ | plastics |
| 可変抵抗器 | かへんていこうき | rheostat |
| 可決 | かけつ | approval, adoption (e.g. motion, bill), passage |
| 可燃 | かねん | inflammable |
| 可笑しい | おかしい | strange, funny, amusing, ridiculous |
| 可能選択 | かのうせんたく | available choice |
| 可鍛性 | かたんせい | malleability |
| 可鍛鉄 | かたんてつ | malleable iron |
| 熱可塑 | ねつかそ | thermoplastic |
| 熱可塑樹脂 | ねつかそじゅし | thermoplastic resin |
| 認可 | にんか | approval, license, licence, permission |