work vs use

work and use both are nouns.

Word	Noun	Adjective	Verb	Adverb
work	Yes	No	Yes	No
use	Yes	No	Yes	No

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

work: use or manipulate to one's advantage
use: put into service; make work or employ for a particular purpose or for its inherent or natural purpose

Other hypernyms of work include apply, employ, utilise, utilize.

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

Other hyponyms of work include make hay, play, avail, help, feed, prey.

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

work: cause to work
use: put into service; make work or employ for a particular purpose or for its inherent or natural purpose

Other hypernyms of work include apply, employ, utilise, utilize.

work (noun)	use (noun)
activity directed toward making or doing something	the act of using
the occupation for which you are paid	(psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition
a product produced or accomplished through the effort or activity or agency of a person or thing	exerting shrewd or devious influence especially for one's own advantage
a place where work is done	what something is used for
the total output of a writer or artist (or a substantial part of it)	a particular service
applying the mind to learning and understanding a subject (especially by reading)	(law) the exercise of the legal right to enjoy the benefits of owning property
(physics) a manifestation of energy; the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force	(economics) the utilization of economic goods to satisfy needs or in manufacturing

work (verb)	use (verb)
give a workout to	put into service; make work or employ for a particular purpose or for its inherent or natural purpose
arrive at a certain condition through repeated motion	take or consume (regularly or habitually)
go sour or spoil	use up (resources or materials)
cause to undergo fermentation	habitually do something or be in a certain state or place (use only in the past tense)
find the solution to (a problem or question) or understand the meaning of	avail oneself to
use or manipulate to one's advantage	seek or achieve an end by using to one's advantage
to mix into a homogeneous mass
perform as expected when applied
move into or onto
shape, form, or improve a material
cause to happen or to occur as a consequence
prepare for crops
make something, usually for a specific function
gratify and charm, usually in order to influence
proceed along a path
move in an agitated manner
provoke or excite
be employed
cause to work
exert oneself by doing mental or physical work for a purpose or out of necessity; work
have an effect or outcome; often the one desired or expected
operate in a certain place, area, or specialty
proceed towards a goal or along a path or through an activity
have and exert influence or effect
operate in or through
cause to operate or function
behave in a certain way when handled