gwylliaid

Welsh

(North Wales) (standard) (colloquial) IPA^(key): /ˈɡʊɨ̯ɬjai̯d/, /ˈɡwɨ̞ɬjai̯d/
- (North Wales) (colloquial) IPA^(key): /ˈɡʊɨ̯ɬjɛd/, /ˈɡwɨ̞ɬjɛd/
(South Wales) (standard) IPA^(key): /ˈɡʊi̯ɬjai̯d/
- (South Wales) (colloquial) IPA^(key): /ˈɡʊi̯ɬjɛd/

gwylliaid m pl or f pl

Welsh mutation
radical	soft	nasal	aspirate
gwylliaid	wylliaid	ngwylliaid	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.