| Word | Definitions | Synonyms |
|---|---|---|
| diachronic | (adjective) used of the study of a phenomenon (especially language) as it changes through time | Synonyms: historical |
| diacritic | (adjective) capable of distinguishing | Synonyms: diacritical |
| diacritical | (adjective) capable of distinguishing | Synonyms: diacritic |