look vs watch

look and watch both are nouns.

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

look (noun)	watch (noun)
the act of directing the eyes toward something and perceiving it visually; look	a purposeful surveillance to guard or observe
physical appearance	the rite of staying awake for devotional purposes (especially on the eve of a religious festival)
the feelings expressed on a person's face	a small portable timepiece
the general atmosphere of a place or situation and the effect that it has on people	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
	the period during which someone (especially a guard) is on duty

look (verb)	watch (verb)
to physically appear a certain way to another individual or group	find out, learn, or determine with certainty, usually by making an inquiry or other effort
look forward to the probable occurrence of	look attentively
have faith or confidence in	be vigilant, be on the lookout or be careful
convey by one's expression	observe without intervening
perceive with attention; direct one's gaze towards; look	observe or determine by looking
give a certain impression of being something or having a certain aspect	see or watch
search or seek	follow with the eyes or the mind
take charge of or deal with
be oriented in a certain direction, often with respect to another reference point; be opposite to
accord in appearance with