terpinene vs cycloalkene

terpinene and cycloalkene both are nouns.

Word	Noun	Adjective	Verb	Adverb
terpinene	Yes	No	No	No
cycloalkene	Yes	No	No	No

As nouns, cycloalkene is a hypernym of terpinene; that is, cycloalkene is a word with a broader meaning than terpinene:

terpinene: any of a group of isomeric hydrocarbons that are classified as terpenes.
cycloalkene: alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character.

Other hypernyms of terpinene include terpene, cycloolefin.

terpinene (noun)	cycloalkene (noun)
any of a group of isomeric hydrocarbons that are classified as terpenes.	alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character.