cacodyl vs organic compound

cacodyl and organic compound both are nouns.

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

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

cacodyl: a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air
organic compound: any compound of carbon and another element or a radical

cacodyl (noun)	organic compound (noun)
the univalent group derived from arsine	any compound of carbon and another element or a radical
a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air