diminution vs wear and tear

diminution

noun
  • A lessening, decrease or reduction. 

  • a compositional technique where the composer shortens the melody by shortening its note values. 

  • The act or process of making diminutive. 

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). 

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