in English is:

puritanism

Mutations

Soft:biwritaniaeth
Nasal:mhiwritaniaeth
Aspirate:phiwritaniaeth

Use

y biwritaniaeth hon
fy mhiwritaniaeth i
dy biwritaniaeth di
ei biwritaniaeth ef/o
ei phiwritaniaeth hi
ein piwritaniaeth ni
eich piwritaniaeth chi
eu piwritaniaeth nhw/hwy
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