work vs grind

work and grind both are nouns.

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

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

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

work (noun)	grind (noun)
activity directed toward making or doing something	the act of grinding to a powder or dust
the occupation for which you are paid	hard monotonous routine work
a product produced or accomplished through the effort or activity or agency of a person or thing	the grade of particle fineness to which a substance is ground
a place where work is done	an insignificant student who is ridiculed as being affected or boringly studious
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)	grind (verb)
give a workout to	reduce to small pieces or particles by pounding or abrading
arrive at a certain condition through repeated motion	make a grating or grinding sound by rubbing together
go sour or spoil	press or grind with a crushing noise
cause to undergo fermentation	shape or form by grinding
find the solution to (a problem or question) or understand the meaning of	created by grinding
use or manipulate to one's advantage	dance by rotating the pelvis in an erotically suggestive way, often while in contact with one's partner such that the dancers' legs are interlaced
to mix into a homogeneous mass	work hard
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