carotenoid vs lycopene

carotenoid and lycopene both are nouns.

Word	Noun	Adjective	Verb	Adverb
carotenoid	Yes	No	No	No
lycopene	Yes	No	No	No

As nouns, lycopene is a hyponym of carotenoid; that is, lycopene is a word with a more specific, narrower meaning than carotenoid:

carotenoid: any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
lycopene: carotenoid that makes tomatoes red; may lower the risk of prostate cancer

Other hyponyms of carotenoid include carotene, beta-carotene, lutein, xanthophyl, xanthophyll, zeaxanthin.

carotenoid (noun)	lycopene (noun)
any of a class of highly unsaturated yellow to red pigments occurring in plants and animals	carotenoid that makes tomatoes red; may lower the risk of prostate cancer