in English is:

work of art

Mutations

Soft:gelfyddydwaith
Nasal:nghelfyddydwaith
Aspirate:chelfyddydwaith

Use

y celfyddydwaith hwn
fy nghelfyddydwaith i
dy gelfyddydwaith di
ei gelfyddydwaith ef/o
ei chelfyddydwaith hi
ein celfyddydwaith ni
eich celfyddydwaith chi
eu celfyddydwaith nhw/hwy
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