looker vs knockout

looker and knockout both are nouns.

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

As nouns, looker and knockout are synonyms defined as:

Other synonyms of looker include beauty, dish, lulu, mantrap, peach, ravisher, smasher, stunner, sweetheart.

looker (noun)	knockout (noun)
a very attractive or seductive looking woman	a blow that renders the opponent unconscious
a close observer; someone who looks at something (such as an exhibition of some kind)	a very attractive or seductive looking woman

looker (adjective)	knockout (adjective)
	very strong or vigorous