physics vs incoherent

physics is a noun but incoherent is not a noun.

Word	Noun	Adjective	Verb	Adverb
physics	Yes	No	No	No
incoherent	No	Yes	No	No

physics (noun)	incoherent (noun)
the science of matter and energy and their interactions
the physical properties, phenomena, and laws of something

physics (adjective)	incoherent (adjective)
	without logical or meaningful connection
	(physics) of waves having no stable definite or stable phase relation
	unable to express yourself clearly or fluently