alcohol vs glycerine

alcohol and glycerine both are nouns.

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

As nouns, glycerine is a hyponym of alcohol; that is, glycerine is a word with a more specific, narrower meaning than alcohol:

alcohol: any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation
glycerine: a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils

alcohol (noun)	glycerine (noun)
a liquor or brew containing alcohol as the active agent	a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils
any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation