in English is:

cretinism

Mutations

Soft:gretinedd
Nasal:nghretinedd
Aspirate:chretinedd

Use

y cretinedd hwn
fy nghretinedd i
dy gretinedd di
ei gretinedd ef/o
ei chretinedd hi
ein cretinedd ni
eich cretinedd chi
eu cretinedd nhw/hwy
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