in English is:

deafness

Mutations

Soft:fyddardod
Nasal:myddardod
Aspirate:(no mutation)

Use

y byddardod hwn
fy myddardod i
dy fyddardod di
ei fyddardod ef/o
ei byddardod hi
ein byddardod ni
eich byddardod chi
eu byddardod nhw/hwy
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