in English is:

audibility

Mutations

Soft:glywadwyedd
Nasal:nghlywadwyedd
Aspirate:chlywadwyedd

Use

y clywadwyedd hwn
fy nghlywadwyedd i
dy glywadwyedd di
ei glywadwyedd ef/o
ei chlywadwyedd hi
ein clywadwyedd ni
eich clywadwyedd chi
eu clywadwyedd nhw/hwy
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