in English is:

occupancy

,

tenancy

,

tenure

Mutations

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

Use

y ddeiliadaeth hon
fy neiliadaeth i
dy ddeiliadaeth di
ei ddeiliadaeth ef/o
ei deiliadaeth hi
ein deiliadaeth ni
eich deiliadaeth chi
eu deiliadaeth nhw/hwy
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