diethyl ether vs ethyl ether

diethyl ether and ethyl ether both are nouns.

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

As nouns, diethyl ether and ethyl ether are synonyms defined as:

diethyl ether and ethyl ether: a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic

Other synonyms of diethyl ether include divinyl ether, ether, ethoxyethane, vinyl ether.

diethyl ether (noun)	ethyl ether (noun)
a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic	a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic