broken down vs destroyable

broken down

adj
  • Ruined in character or strength. 

  • Separated into component parts; decomposed; disassembled; deconstructed. 

  • No longer in working order; broken. 

  • Of a horse, no longer useful for work or riding due to illness or infirmity. 

destroyable

adj
  • Able to be destroyed. 

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