in English is:

truthfulness

,

veracity

Mutations

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

Use

y geirwiredd hwn
fy ngeirwiredd i
dy eirwiredd di
ei eirwiredd ef/o
ei geirwiredd hi
ein geirwiredd ni
eich geirwiredd chi
eu geirwiredd nhw/hwy
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