in English is:

carborundum

Mutations

Soft:garborwndwm
Nasal:ngharborwndwm
Aspirate:charborwndwm

Use

y carborwndwm hwn
fy ngharborwndwm i
dy garborwndwm di
ei garborwndwm ef/o
ei charborwndwm hi
ein carborwndwm ni
eich carborwndwm chi
eu carborwndwm nhw/hwy
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