in English is:

fanaticism

Mutations

Soft:benboethni
Nasal:mhenboethni
Aspirate:phenboethni

Use

y penboethni hwn
fy mhenboethni i
dy benboethni di
ei benboethni ef/o
ei phenboethni hi
ein penboethni ni
eich penboethni chi
eu penboethni nhw/hwy
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