Synonyms For "Grinds" :

1 syllable:

bray, cranch, craunch, crunch, dig, drudge, dweeb, fag, grate, mash, mill, moil, nerd, swot, toil, wonk

2 syllables:

labor, labour, plodding, travail

3 syllables:

comminute, donkeywork, drudgery

5 syllables:

pulverisation, pulverization