watch vs watch

watch and watch both are nouns.

Word	Noun	Adjective	Verb	Adverb
watch	Yes	No	Yes	No
watch	Yes	No	Yes	No

As verbs, watch is a hyponym of watch; that is, watch is a word with a more specific, narrower meaning than watch:

Other hyponyms of watch include witness, rubberneck, catch, see, take in, view, observe.

As verbs, watch is a hypernym of watch; that is, watch is a word with a broader meaning than watch:

watch (noun)	watch (noun)
a purposeful surveillance to guard or observe	a purposeful surveillance to guard or observe
the rite of staying awake for devotional purposes (especially on the eve of a religious festival)	the rite of staying awake for devotional purposes (especially on the eve of a religious festival)
a small portable timepiece	a small portable timepiece
a person employed to keep watch for some anticipated event	a person employed to keep watch for some anticipated event
a period of time (4 or 2 hours) during which some of a ship's crew are on duty	a period of time (4 or 2 hours) during which some of a ship's crew are on duty
the period during which someone (especially a guard) is on duty	the period during which someone (especially a guard) is on duty

watch (verb)	watch (verb)
find out, learn, or determine with certainty, usually by making an inquiry or other effort	find out, learn, or determine with certainty, usually by making an inquiry or other effort
look attentively	look attentively
be vigilant, be on the lookout or be careful	be vigilant, be on the lookout or be careful
observe without intervening	observe without intervening
observe or determine by looking	observe or determine by looking
see or watch	see or watch
follow with the eyes or the mind	follow with the eyes or the mind