in English is:

face value

Mutations

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

Use

yr wynebwerth hwn
fy wynebwerth i
dy wynebwerth di
ei wynebwerth ef/o
ei hwynebwerth hi
ein hwynebwerth ni
eich wynebwerth chi
eu hwynebwerth nhw/hwy
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