in English is:

sentimentalisation

Mutations

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

Use

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