| Subject | English | Japanese |
| gen. | elementary knowledge of | 下地 news1 nf17 (したぢ) |
| gen. | n yoji gaining a perfect knowledge of natural laws | 格物致知 |
| gen. | have a smattering knowledge of | 聞き齧る |
| gen. | have a smattering knowledge of | 聞きかじる |
| gen. | have personal knowledge of | 個人的に知る |
| gen. | n vs having a thorough knowledge of | 熟知 news1 nf18 |
| gen. | n having good knowledge of a certain matter | 事情通 |
| gen. | n having some knowledge of | 心当り |
| gen. | n having some knowledge of | 心当たり ichi1 news2 nf29 |
| obs. | n vs knowledge of | 存知 |
| gen. | n knowledge of English | 英語力 |
| gen. | knowledge of how to use | 勝手 ichi1 news1 nf15 (かつて) |
| ling. | n knowledge of language | 言語知識 |
| rel., budd. | n knowledge of previous lifetimes | 宿命通 (one of the six supernormal Buddhist powers) |
| gen. | n vs knowledge of the world | 世間ずれ (acquired in the school of hard knocks) |
| gen. | n vs knowledge of the world | 世間擦れ (acquired in the school of hard knocks) |
| gen. | n person who has good knowledge of a certain matter | 事情通 |