in English is:

readability

Mutations

Soft:ddarllenadwyedd
Nasal:narllenadwyedd
Aspirate:(no mutation)

Use

y darllenadwyedd hwn
fy narllenadwyedd i
dy ddarllenadwyedd di
ei ddarllenadwyedd ef/o
ei darllenadwyedd hi
ein darllenadwyedd ni
eich darllenadwyedd chi
eu darllenadwyedd nhw/hwy
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