in English is:

ecclesiology

Mutations

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

Use

yr eglwyseg hon
fy eglwyseg i
dy eglwyseg di
ei eglwyseg ef/o
ei heglwyseg hi
ein heglwyseg ni
eich eglwyseg chi
eu heglwyseg nhw/hwy
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