physics vs diffusion

physics and diffusion both are nouns.

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

physics (noun)	diffusion (noun)
the science of matter and energy and their interactions	the act of dispersing or diffusing something
the physical properties, phenomena, and laws of something	the property of being diffused or dispersed
	the spread of social institutions (and myths and skills) from one society to another
	(physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration