in English is:

pondweed

Mutations

Soft:ddyfrllys
Nasal:nyfrllys
Aspirate:(no mutation)

Use

y dyfrllys hwn
fy nyfrllys i
dy ddyfrllys di
ei ddyfrllys ef/o
ei dyfrllys hi
ein dyfrllys ni
eich dyfrllys chi
eu dyfrllys nhw/hwy
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