Geiriau Saesneg llythyr 4
muta
Geiriau Saesneg llythyr 6
mutant mutase mutate mutala
Geiriau Saesneg llythyr 7
mutable mutably mutagen mutants mutases mutated mutates mutaean
Geiriau Saesneg llythyr 8
mutagens mutating mutation mutative mutabile
Geiriau Saesneg llythyr 11
mutaesobyon