grind

noun

1
the act of grinding to a powder or dust
2
hard monotonous routine work
3
the grade of particle fineness to which a substance is ground
a coarse grind of coffee
4
an insignificant student who is ridiculed as being affected or boringly studious

1
reduce to small pieces or particles by pounding or abrading
grind the spices in a mortar
mash the garlic
2
make a grating or grinding sound by rubbing together
grate one's teeth in anger
3
press or grind with a crushing noise
4
shape or form by grinding
grind lenses for glasses and cameras
5
created by grinding
grind designs into the glass bowl
6
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
7
work hard
She was digging away at her math homework
Lexicographers drudge all day long

Also useful for “grind”:Wordle Solver— Five letters — perfect Wordle material