in English is:

sheriffdom

,

shrievalty

Mutations

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

Use

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