sight vs eyeful

sight and eyeful both are nouns.

Word	Noun	Adjective	Verb	Adverb
sight	Yes	No	Yes	No
eyeful	Yes	No	No	No

As nouns, eyeful is a hyponym of sight; that is, eyeful is a word with a more specific, narrower meaning than sight:

Other hyponyms of sight include rewatch.

sight (noun)	eyeful (noun)
the act of looking or seeing or observing	a full view; a good look
the ability to see; the visual faculty	a strikingly beautiful woman
an instance of visual perception
the range of vision
a range of mental vision
a place of interest, especially to visitors
anything that is seen
(often followed by `of') a large number or amount or extent

sight (verb)	eyeful (verb)
catch sight of; to perceive with the eyes
take aim by looking through the sights of a gun (or other device)