glycol vs alcohol

glycol and alcohol both are nouns.

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

As nouns, alcohol is a hypernym of glycol; that is, alcohol is a word with a broader meaning than glycol:

glycol: any of a class of alcohols having 2 hydroxyl groups in each molecule
alcohol: any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation

glycol (noun)	alcohol (noun)
any of a class of alcohols having 2 hydroxyl groups in each molecule	a liquor or brew containing alcohol as the active agent
a sweet but poisonous syrupy liquid used as an antifreeze and solvent	any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation