work vs exchange

work and exchange both are nouns.

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

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

work: a place where work is done
exchange: a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication

work (noun)	exchange (noun)
activity directed toward making or doing something	reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
the occupation for which you are paid	the act of putting one thing or person in the place of another:
a product produced or accomplished through the effort or activity or agency of a person or thing	the act of changing one thing for another thing
a place where work is done	the act of giving something in return for something received
the total output of a writer or artist (or a substantial part of it)	(chess) the capture by both players (usually on consecutive moves) of pieces of equal value
applying the mind to learning and understanding a subject (especially by reading)	(chess) gaining (or losing) a rook in return for a knight or bishop
(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	(sports) an unbroken sequence of several successive strokes
	a workplace for buying and selling; open only to members
	a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
	a mutual expression of views (especially an unpleasant one)
	chemical process in which one atom or ion or group changes places with another

work (verb)	exchange (verb)
give a workout to	exchange or replace with another, usually of the same kind or category
arrive at a certain condition through repeated motion	change over, change around, as to a new order or sequence
go sour or spoil	exchange a penalty for a less severe one
cause to undergo fermentation	give to, and receive from, one another
find the solution to (a problem or question) or understand the meaning of	put in the place of another; switch seemingly equivalent items
use or manipulate to one's advantage	hand over one and receive another, approximately equivalent
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