carabineer vs carabinier

carabineer and carabinier both are nouns.

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

As nouns, carabineer and carabinier are synonyms defined as:

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

Other synonyms of carabineer include carbineer.

carabineer (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