physics vs demagnetise

physics is a noun but demagnetise is not a noun.

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

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

physics (verb)	demagnetise (verb)
	make nonmagnetic; take away the magnetic properties (of)
	erase (a magnetic storage device)