decouple vs dismantle

decouple

verb
  • To unlink; to take or come apart. 

  • To muffle the seismic waves of (a nuclear explosion) by performing it underground. 

dismantle

verb
  • To take apart; to disassemble; to take to pieces. 

  • To divest, strip of dress or covering. 

  • To remove fittings or furnishings from. 

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