see vs extract

see and extract both are nouns.

Word	Noun	Adjective	Verb	Adverb
see	Yes	No	Yes	No
extract	Yes	No	Yes	No

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

see (noun)	extract (noun)
the seat within a bishop's diocese where his cathedral is located	a passage selected from a larger work
	a solution obtained by steeping or soaking a substance (usually in water)

see (verb)	extract (verb)
deem to be	extract by the process of distillation
perceive (an idea or situation) mentally	take out of a literary work in order to cite or copy
get to know or become aware of, usually accidentally	calculate the root of a number
be careful or certain to do something; make certain of something	remove, usually with some force or effort; also used in an abstract sense
deliberate or decide	obtain from a substance, as by mechanical action
make sense of; assign a meaning to	separate (a metal) from an ore
find out, learn, or determine with certainty, usually by making an inquiry or other effort	deduce (a principle) or construe (a meaning)
match or meet	get despite difficulties or obstacles
receive as a specified guest
imagine; conceive of; see in one's mind
come together
conduct someone someplace
perceive by sight or have the power to perceive by sight
perceive or be contemporaneous with
see or watch
see and understand, have a good eye
observe as if with an eye
undergo or live through a difficult experience
observe, check out, and look over carefully or inspect
date regularly; have a steady relationship with
go to see a place, as for entertainment
go to see for professional or business reasons
go to see for a social visit
take charge of or deal with