knockout vs strong

knockout is a noun but strong is not a noun.

Word	Noun	Adjective	Verb	Adverb
knockout	Yes	Yes	No	No
strong	No	Yes	No	No

knockout (noun)	strong (noun)
a blow that renders the opponent unconscious
a very attractive or seductive looking woman

knockout (adjective)	strong (adjective)
very strong or vigorous	having strength or power greater than average or expected
	having a strong physiological or chemical effect
	being distilled rather than fermented; having a high alcoholic content
	strong and sure
	freshly made or left
	not faint or feeble
	immune to attack; incapable of being tampered with
	of verbs not having standard (or regular) inflection
	having or wielding force or authority
	of good quality and condition; solidly built