twin
"gefeilles" means "twin" in Welsh (feminine noun). Pronounced /ɡɛˈvei̯ɬɛs/. Mutation forms: Treiglad Meddal → efeilles, Treiglad Trwynol → ngefeilles.
In Welsh, the first letter of "gefeilles" changes depending on the grammatical context. These are the mutated forms:
| Mutation | Form |
|---|---|
| Base form | gefeilles |
| Treiglad Meddal | efeilles |
| Treiglad Trwynol | ngefeilles |
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