look vs glance

look and glance both are nouns.

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

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

look: the act of directing the eyes toward something and perceiving it visually; look
glance: a quick look

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

look (noun)	glance (noun)
the act of directing the eyes toward something and perceiving it visually; look	a quick look
physical appearance
the feelings expressed on a person's face
the general atmosphere of a place or situation and the effect that it has on people

look (verb)	glance (verb)
to physically appear a certain way to another individual or group	hit at an angle
look forward to the probable occurrence of	throw a glance at; take a brief look at
have faith or confidence in
convey by one's expression
perceive with attention; direct one's gaze towards; look
give a certain impression of being something or having a certain aspect
search or seek
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