glycollic acid vs hydroxyacetic acid

glycollic acid and hydroxyacetic acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
glycollic acid	Yes	No	No	No
hydroxyacetic acid	Yes	No	No	No

As nouns, glycollic acid and hydroxyacetic acid are synonyms defined as:

glycollic acid and hydroxyacetic acid: a translucent crystalline compound found in sugar cane and sugar beets and unripe grapes

Other synonyms of glycollic acid include glycolic acid.

glycollic acid (noun)	hydroxyacetic acid (noun)
a translucent crystalline compound found in sugar cane and sugar beets and unripe grapes	a translucent crystalline compound found in sugar cane and sugar beets and unripe grapes