biology
"bywydeg" means "biology" in Welsh (feminine noun). Pronounced /bəu̯ˈədɛɡ/. Mutation forms: Treiglad Meddal → fywydeg, Treiglad Trwynol → mywydeg.
In Welsh, the first letter of "bywydeg" changes depending on the grammatical context. These are the mutated forms:
| Mutation | Form |
|---|---|
| Base form | bywydeg |
| Treiglad Meddal | fywydeg |
| Treiglad Trwynol | mywydeg |
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