in English is:

internationalism

Mutations

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

Use

y rhyngwladoliaeth hon
fy rhyngwladoliaeth i
dy ryngwladoliaeth di
ei ryngwladoliaeth ef/o
ei rhyngwladoliaeth hi
ein rhyngwladoliaeth ni
eich rhyngwladoliaeth chi
eu rhyngwladoliaeth nhw/hwy
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