emigrant vs emigre

emigrant and emigre both are nouns.

Word	Noun	Adjective	Verb	Adverb
emigrant	Yes	No	No	No
emigre	Yes	No	No	No

As nouns, emigrant and emigre are synonyms defined as:

emigrant and emigre: someone who leaves one country to settle in another

Other synonyms of emigrant include emigree, outgoer.

emigrant (noun)	emigre (noun)
someone who leaves one country to settle in another	someone who leaves one country to settle in another