in English is:

behaviour

,

conduct[1]

,

manners

Mutations

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

Use

yr ymddygiad hwn
fy ymddygiad i
dy ymddygiad di
ei ymddygiad ef/o
ei hymddygiad hi
ein hymddygiad ni
eich ymddygiad chi
eu hymddygiad nhw/hwy
Phrases (2)
o ran ymddygiad
ymddygiad gwrthgymdeithasol
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