in English is:

sulphur

Mutations

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

Use

y sylffwr hwn
fy sylffwr i
dy sylffwr di
ei sylffwr ef/o
ei sylffwr hi
ein sylffwr ni
eich sylffwr chi
eu sylffwr nhw/hwy
Phrases (1)
sylffwr deuocsid
chemistry
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