in English is:

self-promoter

Mutations

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

Use

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