in English is:

scoliosis

Mutations

Soft:gefnwyrni
Nasal:nghefnwyrni
Aspirate:chefnwyrni

Use

y cefnwyrni hwn
fy nghefnwyrni i
dy gefnwyrni di
ei gefnwyrni ef/o
ei chefnwyrni hi
ein cefnwyrni ni
eich cefnwyrni chi
eu cefnwyrni nhw/hwy
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