Ne vs argonon

Ne and argonon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ne	Yes	No	No	No
argonon	Yes	No	No	No

As nouns, argonon is a hypernym of Ne; that is, argonon is a word with a broader meaning than Ne:

Ne: a colorless odorless gaseous element that gives a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
argonon: any of the chemically inert gaseous elements of the helium group in the periodic table

Other hypernyms of Ne include inert gas, noble gas.

Ne (noun)	argonon (noun)
a colorless odorless gaseous element that gives a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts	any of the chemically inert gaseous elements of the helium group in the periodic table