1) Dog work 2) Donkeywork 3) Grins 4) Moil 5) Roomy 6) Toil 7) Travail 8) Work 1) Donkeywork 2) Exclusively Anglo word 3) Exclusively Saxon word 4) Grind 5) Grunt work 6) Hard monotonous routine work 7) Labor 8) Labour 9) Plodding 10) Tedious work 11) Toil 12) Unpleasant work 13) Word with Anglo-Saxon origins 14) Word of purely Anglo origin 
• (n.) The act of drudging; disagreeable and wearisome labor; ignoble or slavish toil.
Drudg'er·y noun The act of drudging; disagreeable and wearisome labor; ignoble or slavish toil. « The drudgery of penning definitions.» Macaulay. « Paradise was a place of bliss . . . without drudgery and with out sorrow.» Locke. Syn. -- ...
[n] - hard monotonous routine work
plodding noun hard monotonous routine work
menial, distasteful, dull, or hard work.
[Literary terms] hard, monotonous, routine work[SAT terms] hard monotonous routine work