glycol vs antifreeze

glycol and antifreeze both are nouns.

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

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

glycol: a sweet but poisonous syrupy liquid used as an antifreeze and solvent
antifreeze: a liquid added to the water in a cooling system to lower its freezing point

glycol (noun)	antifreeze (noun)
any of a class of alcohols having 2 hydroxyl groups in each molecule	a liquid added to the water in a cooling system to lower its freezing point
a sweet but poisonous syrupy liquid used as an antifreeze and solvent