argonon vs inert gas

argonon and inert gas both are nouns.

Word	Noun	Adjective	Verb	Adverb
argonon	Yes	No	No	No
inert gas	Yes	No	No	No

As nouns, argonon and inert gas are synonyms defined as:

argonon and inert gas: any of the chemically inert gaseous elements of the helium group in the periodic table

Other synonyms of argonon include noble gas.

argonon (noun)	inert gas (noun)
any of the chemically inert gaseous elements of the helium group in the periodic table	any of the chemically inert gaseous elements of the helium group in the periodic table