ethanal vs acetaldehyde

ethanal and acetaldehyde both are nouns.

Word	Noun	Adjective	Verb	Adverb
ethanal	Yes	No	No	No
acetaldehyde	Yes	No	No	No

As nouns, ethanal and acetaldehyde are synonyms defined as:

ethanal and acetaldehyde: a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs

ethanal (noun)	acetaldehyde (noun)
a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs	a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs