cymene vs hydrocarbon

cymene and hydrocarbon both are nouns.

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

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

cymene: any of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins
hydrocarbon: an organic compound containing only carbon and hydrogen

cymene (noun)	hydrocarbon (noun)
any of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins	an organic compound containing only carbon and hydrogen