diffusion vs physics

diffusion and physics both are nouns.

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

diffusion (noun)	physics (noun)
the act of dispersing or diffusing something	the science of matter and energy and their interactions
the property of being diffused or dispersed	the physical properties, phenomena, and laws of something
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