moil

Verb

• moisten or soil
  • Her tears moiled the letter
    

• be agitated
  • the sea was churning in the storm
    

• work hard
  • She was digging away at her math homework
    
  • Lexicographers drudge all day long
    

Related words

• Synonyms: 
  churn , boil , roil , labor , labour , toil , fag , travail , grind , drudge , dig