in English is:

Hellenism

Mutations

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

Use

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