in English is:

irredentism

Mutations

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

Use

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