| Word form | oji |
| Original script | 伯父 (parent’s elder brother)、叔父(parent’s younger brother) |
| LWT meaning(s) | |
| Word meaning | Neutral term. The difference between older and younger uncle is only made in writing. No distinction is made between maternal and paternal uncles. |
| Comments on word | As a polite form of address, the suffixed form ojisan (first attested in the 18th century) is used. |
| Analyzability | unanalyzable |
| Age | Old Japanese [21] (710–794) |
| Lexical stratum | wago |
| Year | 書記 (720) |
| Register | General |