homogentisic acid vs alcapton

homogentisic acid and alcapton both are nouns.

Word	Noun	Adjective	Verb	Adverb
homogentisic acid	Yes	No	No	No
alcapton	Yes	No	No	No

As nouns, homogentisic acid and alcapton are synonyms defined as:

homogentisic acid and alcapton: an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine

Other synonyms of homogentisic acid include alkapton.

homogentisic acid (noun)	alcapton (noun)
an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine	an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine