in English is:

luminescence

Mutations

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

Use

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