physics vs repulsive

physics is a noun but repulsive is not a noun.

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

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

physics (adjective)	repulsive (adjective)
	possessing the ability to repel
	offensive to the mind
	so extremely ugly as to be terrifying