Ethrane vs vinyl ether

Ethrane and vinyl ether both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ethrane	Yes	No	No	No
vinyl ether	Yes	No	No	No

As nouns, vinyl ether is a hypernym of Ethrane; that is, vinyl ether is a word with a broader meaning than Ethrane:

Ethrane: a nonflammable liquid (trade name Ethrane) used as an inhalation general anesthetic
vinyl ether: a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic

Other hypernyms of Ethrane include diethyl ether, divinyl ether, ether, ethoxyethane, ethyl ether.

Ethrane (noun)	vinyl ether (noun)
a nonflammable liquid (trade name Ethrane) used as an inhalation general anesthetic	a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic