work vs prepare

work is a noun but prepare is not a noun.

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

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

work: prepare for crops
prepare: make ready or suitable or equip in advance for a particular purpose or for some use, event, etc

Other hypernyms of work include fix, gear up, ready, set, set up.

work (noun)	prepare (noun)
activity directed toward making or doing something
the occupation for which you are paid
a product produced or accomplished through the effort or activity or agency of a person or thing
a place where work is done
the total output of a writer or artist (or a substantial part of it)
applying the mind to learning and understanding a subject (especially by reading)
(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 (verb)	prepare (verb)
give a workout to	make ready or suitable or equip in advance for a particular purpose or for some use, event, etc
arrive at a certain condition through repeated motion	undergo training or instruction in preparation for a particular role, function, or profession
go sour or spoil	create by training and teaching
cause to undergo fermentation	arrange by systematic planning and united effort
find the solution to (a problem or question) or understand the meaning of	prepare for eating by applying heat
use or manipulate to one's advantage	to prepare verbally, either for written or spoken delivery
to mix into a homogeneous mass	lead up to and soften by sounding the dissonant note in it as a consonant note in the preceding chord
perform as expected when applied	educate for a future role or function
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