in English is:

vegetation

Mutations

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

Use

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