carbineer vs carabinier

carbineer and carabinier both are nouns.

Word	Noun	Adjective	Verb	Adverb
carbineer	Yes	No	No	No
carabinier	Yes	No	No	No

As nouns, carbineer and carabinier are synonyms defined as:

carbineer and carabinier: a soldier (historically a mounted soldier) who is armed with a carbine

Other synonyms of carbineer include carabineer.

carbineer (noun)	carabinier (noun)
a soldier (historically a mounted soldier) who is armed with a carbine	a soldier (historically a mounted soldier) who is armed with a carbine