in English is:

smocking

Mutations

Soft:grychwaith
Nasal:nghrychwaith
Aspirate:chrychwaith

Use

y crychwaith hwn
fy nghrychwaith i
dy grychwaith di
ei grychwaith ef/o
ei chrychwaith hi
ein crychwaith ni
eich crychwaith chi
eu crychwaith nhw/hwy
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