Ethrane vs diethyl ether

Ethrane and diethyl ether both are nouns.

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

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

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

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

Ethrane (noun)	diethyl 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