in English is:

regionalism

Mutations

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

Use

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