in English is:

monotheism

Mutations

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

Use

yr undduwiaeth hon
fy undduwiaeth i
dy undduwiaeth di
ei undduwiaeth ef/o
ei hundduwiaeth hi
ein hundduwiaeth ni
eich undduwiaeth chi
eu hundduwiaeth nhw/hwy
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