in English is:

relevance

,

relativity

Mutations

Soft:berthnasedd
Nasal:mherthnasedd
Aspirate:pherthnasedd

Use

y perthnasedd hwn
fy mherthnasedd i
dy berthnasedd di
ei berthnasedd ef/o
ei pherthnasedd hi
ein perthnasedd ni
eich perthnasedd chi
eu perthnasedd nhw/hwy
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