in English is:

Unitarianism

Mutations

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

Use

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