margarin vs margarine

margarin and margarine both are nouns.

Word	Noun	Adjective	Verb	Adverb
margarin	Yes	No	No	No
margarine	Yes	No	No	No

As nouns, margarin and margarine are synonyms defined as:

margarin and margarine: a spread made chiefly from vegetable oils and used as a substitute for butter

Other synonyms of margarin include marge, oleo, oleomargarine.

margarin (noun)	margarine (noun)
a spread made chiefly from vegetable oils and used as a substitute for butter	a spread made chiefly from vegetable oils and used as a substitute for butter
a glyceryl ester of margaric acid