glycerine vs glycerin

glycerine and glycerin both are nouns.

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

As nouns, glycerine and glycerin are synonyms defined as:

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

Other synonyms of glycerine include glycerol.

glycerine (noun)	glycerin (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