irredentism vs irridentism

irredentism and irridentism both are nouns.

Word	Noun	Adjective	Verb	Adverb
irredentism	Yes	No	No	No
irridentism	Yes	No	No	No

As nouns, irredentism and irridentism are synonyms defined as:

irredentism and irridentism: the doctrine that irredenta should be controlled by the country to which they are ethnically or historically related

irredentism (noun)	irridentism (noun)
the doctrine that irredenta should be controlled by the country to which they are ethnically or historically related	the doctrine that irredenta should be controlled by the country to which they are ethnically or historically related