glycerol vs glycerine

glycerol and glycerine both are nouns.

Word	Noun	Adjective	Verb	Adverb
glycerol	Yes	No	No	No
glycerine	Yes	No	No	No

As nouns, glycerol and glycerine are synonyms defined as:

glycerol and glycerine: a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils

Other synonyms of glycerol include glycerin.

glycerol (noun)	glycerine (noun)
a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils	a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils