In organic compound terms the difference between benzoin and furoin

is that benzoin is an aromatic hydroxy ketone, 2-hydroxy-1,2-di(phenyl)ethanone, synthesized from benzaldehyde; any derivative of this compound while furoin is the heterocyclic hydroxy-ketone 1,2-bis(2-furyl)-2-hydroxy-ethanone, analogous to benzoin.

As nouns the difference between benzoin and furoin

is that benzoin is a resinous substance, dry and brittle, obtained from the species: Styrax benzoin, a tree of Sumatra, Java, etc., having a fragrant odor, and slightly aromatic taste. It is used in the preparation of benzoic acid, in medicine, and as a perfume while furoin is the heterocyclic hydroxy-ketone 1,2-bis(2-furyl)-2-hydroxy-ethanone, analogous to benzoin.