in English is:

corruption

,

depravity

,

pollution

Mutations

Soft:lygredd
Nasal:(no mutation)
Aspirate:(no mutation)

Use

y llygredd hwn
fy llygredd i
dy lygredd di
ei lygredd ef/o
ei llygredd hi
ein llygredd ni
eich llygredd chi
eu llygredd nhw/hwy
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