in English is:

deposition

Mutations

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

Use

y diorseddiad hwn
fy niorseddiad i
dy ddiorseddiad di
ei ddiorseddiad ef/o
ei diorseddiad hi
ein diorseddiad ni
eich diorseddiad chi
eu diorseddiad nhw/hwy
External

Dictionary Portal

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

Specialist Dictionaries
Glossaries
Terminology
Encyclopedia
Example Sentences
Sentences containing:

*External websites will be opened in a new window.