in English is:

monotony

,

tedium

Mutations

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

Use

yr undonedd hwn
fy undonedd i
dy undonedd di
ei undonedd ef/o
ei hundonedd hi
ein hundonedd ni
eich undonedd chi
eu hundonedd nhw/hwy
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