implicate vs involve

implicate

verb
  • To show to be connected or involved in an unfavorable or criminal way. 

  • To imply, to have as a necessary consequence or accompaniment. 

  • To imply without entailing; to have as an implicature. 

noun
  • The thing implied. 

involve

verb
  • To cause or engage (someone or something) to participate or to become connected or implicated. 

  • To take in; to gather in; to mingle, blend or merge. 

  • To comprise or include; to have as a related part. 

  • To complicate or make intricate. 

  • To envelop, enfold, entangle. 

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