in English is:

occultism

Mutations

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

Use

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