olefine vs cycloalkene

olefine and cycloalkene both are nouns.

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

As nouns, cycloalkene is a hyponym of olefine; that is, cycloalkene is a word with a more specific, narrower meaning than olefine:

olefine: any unsaturated aliphatic hydrocarbon
cycloalkene: alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character.

Other hyponyms of olefine include ethene, ethylene, cycloolefin, hexine.

olefine (noun)	cycloalkene (noun)
any unsaturated aliphatic hydrocarbon	alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character.