wear thin vs weary

wear thin

verb
  • To lessen or weaken over time, as from overuse. 

weary

verb
  • To make or to become weary. 

adj
  • Expressive of fatigue. 

  • Having the strength exhausted by toil or exertion; tired; fatigued. 

  • Having one's patience, relish, or contentment exhausted; tired; sick. 

  • Causing weariness; tiresome. 

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