physical vs physics

physical is not a noun while physics is a noun.

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

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

physical (adjective)	physics (adjective)
involving the body as distinguished from the mind or spirit
relating to the sciences dealing with matter and energy; especially physics
characterized by energetic bodily activity
impelled by physical force especially against resistance
having substance or material existence; perceptible to the senses
according with material things or natural laws (other than those peculiar to living matter)
concerned with material things