acetphenetidin vs phenacetin

acetphenetidin and phenacetin both are nouns.

Word	Noun	Adjective	Verb	Adverb
acetphenetidin	Yes	No	No	No
phenacetin	Yes	No	No	No

As nouns, acetphenetidin and phenacetin are synonyms defined as:

acetphenetidin and phenacetin: a white crystalline compound used as an analgesic and also as an antipyretic

Other synonyms of acetphenetidin include acetophenetidin.

acetphenetidin (noun)	phenacetin (noun)
a white crystalline compound used as an analgesic and also as an antipyretic	a white crystalline compound used as an analgesic and also as an antipyretic