ogler vs spectator

ogler and spectator both are nouns.

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

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

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

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

ogler (noun)	spectator (noun)
a viewer who gives a flirtatious or lewd look at another person	a woman's pump with medium heel; usually in contrasting colors for toe and heel
	a close observer; someone who looks at something (such as an exhibition of some kind)