in English is:

productivity

Mutations

Soft:gynhyrchedd
Nasal:nghynhyrchedd
Aspirate:chynhyrchedd

Use

y cynhyrchedd hwn
fy nghynhyrchedd i
dy gynhyrchedd di
ei gynhyrchedd ef/o
ei chynhyrchedd hi
ein cynhyrchedd ni
eich cynhyrchedd chi
eu cynhyrchedd nhw/hwy
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