| Word | Reading | Meaning | Level |
|---|
| 知る | しる | to know | N5 |
| 知らせる | しらせる | to notify, inform | N5 |
| 知らない | しらない | don't know | N5 |
| 承知 | しょうち | consent, knowing - humble | N4 |
| 告知 | こくち | public notification | N3 |
| 検知器 | けんちき | detector | N3 |
| 周知 | しゅうち | making widely known | N2 |
| 放流通知 | ほうりゅうつうち | discharge notice | N2 |
| 察知 | さっち | sensing, detecting | N1 |
| 検知 | けんち | detection | N1 |
| 検知機構 | けんちきこう | detection mechanism | N1 |
| 探知網 | たんちもう | detection network | N1 |
| 異常検知 | いじょうけんち | anomaly detection | N1 |
| 先人の知恵 | せんじんのちえ | ancestral wisdom and lore | N1 |
| 機知 | きち | quick-witted cultural intellect, sharp conversational grace | N1 |
| 伝承知 | でんしょうち | ancestral craft wisdom and oral lore | N1 |
| 不滅の英知 | ふめつのえいち | imperishable wisdom accumulated across centuries | N1 |
