dioxin vs hydrocarbon

dioxin and hydrocarbon both are nouns.

Word	Noun	Adjective	Verb	Adverb
dioxin	Yes	No	No	No
hydrocarbon	Yes	No	No	No

As nouns, hydrocarbon is a hypernym of dioxin; that is, hydrocarbon is a word with a broader meaning than dioxin:

dioxin: any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides
hydrocarbon: an organic compound containing only carbon and hydrogen

dioxin (noun)	hydrocarbon (noun)
any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides	an organic compound containing only carbon and hydrogen