| term | pronunciation | English |
|---|
| 知る | しる | know |
| 承知 | しょうち・する | consent, acceptance |
| 知らせる | しらせる | to notify, to advise |
| 知らせ | しらせ | notice |
| 知合い | しりあい | acquaintance |
| 知恵 | ちえ | wisdom, wit, sagacity, sense, intelligence |
| 知事 | ちじ | prefectural governor |
| 知人 | ちじん | friend, acquaintance |
| 知能 | ちのう | intelligence, brains |
| 知識 | ちしき | knowledge |
| 通知 | つうち | notice, notification |
| 三人寄れば文殊の知恵 | さんにんよればもんじゅのちえ | two heads are better than one |
| 偵知 | ていち | spying, investigating |
| 副知事 | ふくちじ | lieutenant governor |
| 叡知 | えいち | intelligence |
| 周知 | しゅうち | common knowledge, (something) well-known |
| 基礎知識 | きそちしき | fundamental knowledge |
| 承知之助 | しょうちのすけ | OK, Sure, Yessir!, Okeydokey!, Understood |
| 探知 | たんち | detection |
| 探知機 | たんちき | detector |
| 旧知 | きゅうち | old friend, old friendship |
| 未知 | みち | not yet known |
| 熟知 | じゅくち | being familiar with, having a thorough knowledge of, being well-informed about |
| 県知事 | けんちじ | prefectural governor |
| 知らぬは亭主許り也 | しらぬはていしゅばかりなり | Only the husband does not know |
| 知己 | ちき | acquaintance, appreciative friend |
| 知己朋友 | ちきほうゆう | intimate friends and acquaintances |
| 知恵袋 | ちえぶくろ | the brain, one's brains |
| 知恵遅れ | ちえおくれ | mental retardation |
| 知的 | ちてき | intellectual |
| 知識人 | ちしきじん | an intellectual |
| 英知 | えいち | intelligence |
| 詠み人知らず | よみびとしらず | author unknown, anonymous; unknown waka composer |
| 該博な知識 | がいはくなちしき | profound knowledge |
| 認知 | にんち | acknowledgement, acknowledgment, recognition |
| 顔見知り | かおみしり | acquaintance |