damn vs infernal

damn and infernal both are nouns.

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

As adjectives, damn and infernal are synonyms defined as:

Other synonyms of damn include blame, blamed, blasted, blessed, damned, darned, deuced, goddam, goddamn, goddamned.

damn (noun)	infernal (noun)
something of little value	an inhabitant of Hell

damn (adjective)	infernal (adjective)
used as expletives	being of the underworld
expletives used informally as intensifiers	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

damn (verb)	infernal (verb)
wish harm upon; invoke evil upon

damn (adverb)	infernal (adverb)
extremely