physics vs noncritical

physics is a noun but noncritical is not a noun.

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

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

physics (adjective)	noncritical (adjective)
	not in a state of crisis or emergency
	not critical; not at a point of abrupt change
	marked by disregard for critical standards or procedures