work vs proof

work and proof both are nouns.

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

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

Other hyponyms of work include masticate.

work (noun)	proof (noun)
activity directed toward making or doing something	the act of validating; finding or testing the truth of something
the occupation for which you are paid	a trial photographic print from a negative
a product produced or accomplished through the effort or activity or agency of a person or thing	any factual evidence that helps to establish the truth of something
a place where work is done	a formal series of statements showing that if one thing is true something else necessarily follows from it
the total output of a writer or artist (or a substantial part of it)	(printing) an impression made to check for errors
applying the mind to learning and understanding a subject (especially by reading)	a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)
(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

work (adjective)	proof (adjective)
	(used in combination or as a suffix) able to withstand

work (verb)	proof (verb)
give a workout to	make resistant (to harm)
arrive at a certain condition through repeated motion	activate by mixing with water and sometimes sugar or milk
go sour or spoil	read for errors
cause to undergo fermentation	knead to reach proper lightness
find the solution to (a problem or question) or understand the meaning of	make or take a proof of, such as a photographic negative, an etching, or typeset
use or manipulate 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