Hadean vs infernal

Hadean and infernal both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hadean	Yes	Yes	No	No
infernal	Yes	Yes	No	No

Hadean (noun)	infernal (noun)
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life	an inhabitant of Hell

Hadean (adjective)	infernal (adjective)
of or relating to or characteristic of Hades or Tartarus	being of the underworld
	characteristic of or resembling Hell
	of or pertaining to or characteristic of a very uncontrolled and intense fire
	expletives used informally as intensifiers
	extremely evil or cruel; expressive of cruelty or befitting hell