in English is:

fumigation

Mutations

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

Use

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