grind vs mill

grind and mill both are nouns.

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

As nouns, grind and mill are synonyms defined as:

Other synonyms of grind include pulverisation, pulverization.

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

Other hyponyms of grind include pulp, pestle.

grind (noun)	mill (noun)
the act of grinding to a powder or dust	the act of grinding to a powder or dust
hard monotonous routine work	machinery that processes materials by grinding or crushing
the grade of particle fineness to which a substance is ground	a plant consisting of one or more buildings with facilities for manufacturing
an insignificant student who is ridiculed as being affected or boringly studious

grind (verb)	mill (verb)
reduce to small pieces or particles by pounding or abrading	grind with a mill
make a grating or grinding sound by rubbing together	produce a ridge around the edge of
press or grind with a crushing noise	roll out (metal) with a rolling machine
shape or form by grinding	move about in a confused manner
created by grinding
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
work hard