caviar vs caviare

caviar and caviare both are nouns.

Word	Noun	Adjective	Verb	Adverb
caviar	Yes	No	No	No
caviare	Yes	No	No	No

As nouns, caviar and caviare are synonyms defined as:

caviar and caviare: salted roe of sturgeon or other large fish; usually served as an hors d'oeuvre

caviar (noun)	caviare (noun)
salted roe of sturgeon or other large fish; usually served as an hors d'oeuvre	salted roe of sturgeon or other large fish; usually served as an hors d'oeuvre