methylbenzene vs alkylbenzene

methylbenzene and alkylbenzene both are nouns.

Word	Noun	Adjective	Verb	Adverb
methylbenzene	Yes	No	No	No
alkylbenzene	Yes	No	No	No

As nouns, alkylbenzene is a hypernym of methylbenzene; that is, alkylbenzene is a word with a broader meaning than methylbenzene:

methylbenzene: a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels
alkylbenzene: organic compound that has an alkyl group bound to a benzene ring

Other hypernyms of methylbenzene include dissolvent, dissolver, dissolving agent, resolvent, solvent.

methylbenzene (noun)	alkylbenzene (noun)
a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels	organic compound that has an alkyl group bound to a benzene ring