| Word | Definitions | Synonyms |
|---|---|---|
| twelfth | (noun) one part in twelve equal parts | Synonyms: duodecimal, one-twelfth, twelfth part |
| (noun) position 12 in a countable series of things | - | |
| twelve | (noun) the cardinal number that is the sum of eleven and one | Synonyms: 12, dozen, XII |
| twelvemonth | (noun) a period of time containing 365 (or 366) days | Synonyms: year, yr |