methanal vs formaldehyde

methanal and formaldehyde both are nouns.

Word	Noun	Adjective	Verb	Adverb
methanal	Yes	No	No	No
formaldehyde	Yes	No	No	No

As nouns, methanal and formaldehyde are synonyms defined as:

methanal and formaldehyde: a colorless poisonous gas; made by the oxidation of methanol

methanal (noun)	formaldehyde (noun)
a colorless poisonous gas; made by the oxidation of methanol	a colorless poisonous gas; made by the oxidation of methanol