in English is:

frontogenesis

Mutations

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

Use

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