in English is:

incandescence

Mutations

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

Use

y gwyniasedd hwn
fy ngwyniasedd i
dy wyniasedd di
ei wyniasedd ef/o
ei gwyniasedd hi
ein gwyniasedd ni
eich gwyniasedd chi
eu gwyniasedd nhw/hwy
External

Dictionary Portal

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

Specialist Dictionaries
Glossaries
Terminology
Encyclopedia
Example Sentences
Sentences containing:

*External websites will be opened in a new window.