in English is:

protectionism

Mutations

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

Use

y ddiffyndollaeth hon
fy niffyndollaeth i
dy ddiffyndollaeth di
ei ddiffyndollaeth ef/o
ei diffyndollaeth hi
ein diffyndollaeth ni
eich diffyndollaeth chi
eu diffyndollaeth nhw/hwy
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