knockout vs looker

knockout and looker both are nouns.

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

As nouns, knockout and looker are synonyms defined as:

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

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

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