in English is:

swell

,

surge

Mutations

Soft:ddygyfor
Nasal:nygyfor
Aspirate:(no mutation)

Use

y dygyfor hwn
fy nygyfor i
dy ddygyfor di
ei ddygyfor ef/o
ei dygyfor hi
ein dygyfor ni
eich dygyfor chi
eu dygyfor nhw/hwy
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