ogler vs looker

ogler and looker both are nouns.

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

As nouns, looker is a hypernym of ogler; that is, looker is a word with a broader meaning than ogler:

ogler: a viewer who gives a flirtatious or lewd look at another person
looker: a close observer; someone who looks at something (such as an exhibition of some kind)

Other hypernyms of ogler include spectator, viewer, watcher, witness.

ogler (noun)	looker (noun)
a viewer who gives a flirtatious or lewd look at another person	a very attractive or seductive looking woman
	a close observer; someone who looks at something (such as an exhibition of some kind)