| Specialized synonyms for long in Welsh |
 | pine | pinwydden (f); pinwydd; pîn |
| Generic synonyms for long in Welsh |
 | want | eisiau |
| Attributes for long in Welsh |
 | length | hyd |
| Derivative terms for long in Welsh |
 | longing | hiraeth (m) |
| Antonyms for long in Welsh |
 | short | byr |