in English is:

berkelium

Mutations

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

Use

y berceliwm hwn
fy merceliwm i
dy ferceliwm di
ei ferceliwm ef/o
ei berceliwm hi
ein berceliwm ni
eich berceliwm chi
eu berceliwm nhw/hwy
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