in English is:

Counter-Reformation

Mutations

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

* This form is an exception to the mutation rules.

Use

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