in English is:

stewardship

Mutations

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

Use

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