wear and tear vs worth

wear and tear

noun
  • Damage or depreciation resulting from ordinary use (normally as something excluded from a guarantee or warranty of quality, or as justifying a write-down in a set of accounts). 

worth

noun
  • Value. 

  • Wealth, fortune, riches, property, possessions. 

  • Merit, excellence. 

  • An amount that could be achieved or produced in a specified time. 

adj
  • Deserving of. 

  • Having a value of; proper to be exchanged for. 

  • Making a fair equivalent of, repaying or compensating. 

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