bank on vs mistrust

bank on

verb
  • To rely on someone or something; to count on something; to depend on something. 

mistrust

noun
  • Lack of trust or confidence; distrust, untrust. 

verb
  • To be suspicious. 

  • To have no confidence in (something or someone). 

  • To be wary, suspicious or doubtful of (something or someone). 

  • To suspect, to imagine or suppose (something) to be the case. 

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