| Word | Definitions | Synonyms |
|---|---|---|
| xi | (adjective) being one more than ten | Synonyms: 11, eleven |
| xii | (adjective) denoting a quantity consisting of 12 items or units | Synonyms: 12, dozen, twelve |
| xiii | (adjective) being one more than twelve | Synonyms: 13, thirteen |
| xiv | (adjective) being one more than thirteen | Synonyms: 14, fourteen |
| xix | (adjective) being one more than eighteen | Synonyms: 19, nineteen |