in English is:

transubstantiation

Mutations

Soft:draws-sylweddiad
Nasal:nhraws-sylweddiad
Aspirate:thraws-sylweddiad

Use

y traws-sylweddiad hwn
fy nhraws-sylweddiad i
dy draws-sylweddiad di
ei draws-sylweddiad ef/o
ei thraws-sylweddiad hi
ein traws-sylweddiad ni
eich traws-sylweddiad chi
eu traws-sylweddiad nhw/hwy
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