carabineer vs carbineer

carabineer and carbineer both are nouns.

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

As nouns, carabineer and carbineer are synonyms defined as:

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

Other synonyms of carabineer include carabinier.

carabineer (noun)	carbineer (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