xanthine vs organic compound

xanthine and organic compound both are nouns.

Word	Noun	Adjective	Verb	Adverb
xanthine	Yes	No	No	No
organic compound	Yes	No	No	No

As nouns, organic compound is a hypernym of xanthine; that is, organic compound is a word with a broader meaning than xanthine:

xanthine: crystalline oxidation product of the metabolism of nucleoproteins; precursor of uric acid; found in many organs and in urine
organic compound: any compound of carbon and another element or a radical

xanthine (noun)	organic compound (noun)
crystalline oxidation product of the metabolism of nucleoproteins; precursor of uric acid; found in many organs and in urine	any compound of carbon and another element or a radical