in English is:

defilement

Mutations

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

Use

y difwyniant hwn
fy nifwyniant i
dy ddifwyniant di
ei ddifwyniant ef/o
ei difwyniant hi
ein difwyniant ni
eich difwyniant chi
eu difwyniant nhw/hwy
External

Dictionary Portal

This is a library of dictionaries and other online resources where you can search further for difwyniant*:

Specialist Dictionaries
Glossaries
Terminology
Encyclopedia
Example Sentences
Sentences containing:

*External websites will be opened in a new window.