physics vs excited

physics is a noun but excited is not a noun.

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

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

physics (adjective)	excited (adjective)
	in an aroused state
	(of persons) excessively affected by emotion
	(of e.g. a molecule) made reactive or more reactive
	marked by uncontrolled excitement or emotion