ensnare vs unhook

ensnare

verb
  • To entangle; to enmesh. 

  • To entrap; to catch in a snare or trap. 

unhook

verb
  • To remove from a hook. 

  • To unfasten by means of hooks. 

  • To unfasten the bra of (its wearer). 

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