physics vs coherent

physics is a noun but coherent is not a noun.

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

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

physics (adjective)	coherent (adjective)
	marked by an orderly, logical, and aesthetically consistent relation of parts
	(physics) of waves having a constant phase relation
	sticking together
	capable of thinking and expressing yourself in a clear and consistent manner