work vs feed

work and feed both are nouns.

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

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

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

work (noun)	feed (noun)
activity directed toward making or doing something	food for domestic livestock
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)	feed (verb)
give a workout to	provide with fertilizers or add nutrients to
arrive at a certain condition through repeated motion	introduce continuously
go sour or spoil	take in food; used of animals only
cause to undergo fermentation	give food to
find the solution to (a problem or question) or understand the meaning of	serve as food for; be the food for
use or manipulate to one's advantage	feed into; supply
to mix into a homogeneous mass	provide as food
perform as expected when applied	gratify
move into or onto	profit from in an exploitatory manner
shape, form, or improve a material	move along, of liquids
cause to happen or to occur as a consequence	support or promote
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