hexine vs ethyne

hexine and ethyne both are nouns.

Word	Noun	Adjective	Verb	Adverb
hexine	Yes	No	No	No
ethyne	Yes	No	No	No

As nouns, ethyne is a hypernym of hexine; that is, ethyne is a word with a broader meaning than hexine:

hexine: a hydrocarbon, C6H10, of the acetylene series.
ethyne: a colorless flammable gas used chiefly in welding and in organic synthesis

Other hypernyms of hexine include acetylene, alkyne, alkene, olefin, olefine.

hexine (noun)	ethyne (noun)
a hydrocarbon, C6H10, of the acetylene series.	a colorless flammable gas used chiefly in welding and in organic synthesis