in English is:

boast

Mutations

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

Use

yr ymffrost hwn
fy ymffrost i
dy ymffrost di
ei ymffrost ef/o
ei hymffrost hi
ein hymffrost ni
eich ymffrost chi
eu hymffrost nhw/hwy
Phrases (1)
mewn ymffrost
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