stint vs taskwork

stint

noun
  • Quantity or task assigned; proportion allotted. 

  • Limit; bound; restraint; extent. 

  • Any of several very small wading birds in the genus Calidris. Types of sandpiper, such as the dunlin or the sanderling. 

  • A period of time spent doing or being something; a spell. 

verb
  • To assign a certain task to (a person), upon the performance of which he/she is excused from further labour for that day or period; to stent. 

  • To impregnate successfully; to get with foal. 

  • To be sparing or mean. 

  • To restrain within certain limits; to bound; to restrict to a scant allowance. 

taskwork

noun
  • Work done by the job; piece work. 

  • Work done as a task. 

How often have the words stint and taskwork occurred in a corpus of books? (source: Google Ngram Viewer )