mothballed vs untouched

mothballed

adj
  • Kept in good condition for possible future use. 

untouched

adj
  • Remaining in its original, pristine state, undamaged; not altered. 

  • Not eaten. 

  • Not having come in contact. 

  • Not talked about. 

  • Not read or examined. 

  • Not influenced, affected or swayed. 

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