benzol vs aromatic hydrocarbon

benzol and aromatic hydrocarbon both are nouns.

Word	Noun	Adjective	Verb	Adverb
benzol	Yes	No	No	No
aromatic hydrocarbon	Yes	No	No	No

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

benzol: a colorless liquid hydrocarbon; highly flammable; carcinogenic; the simplest of the aromatic compounds
aromatic hydrocarbon: a hydrocarbon that contains one or more benzene rings that are characteristic of the benzene series of organic compounds

benzol (noun)	aromatic hydrocarbon (noun)
a colorless liquid hydrocarbon; highly flammable; carcinogenic; the simplest of the aromatic compounds	a hydrocarbon that contains one or more benzene rings that are characteristic of the benzene series of organic compounds