ethylene glycol vs glycol

ethylene glycol and glycol both are nouns.

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

As nouns, ethylene glycol and glycol are synonyms defined as:

ethylene glycol and glycol: a sweet but poisonous syrupy liquid used as an antifreeze and solvent

Other synonyms of ethylene glycol include ethanediol.

ethylene glycol (noun)	glycol (noun)
a sweet but poisonous syrupy liquid used as an antifreeze and solvent	any of a class of alcohols having 2 hydroxyl groups in each molecule
	a sweet but poisonous syrupy liquid used as an antifreeze and solvent