entail vs implicate

entail

verb
  • To imply, require, or invoke. 

  • To settle or fix inalienably on a person or thing, or on a person and his descendants or a certain line of descendants; -- said especially of an estate; to bestow as a heritage. 

noun
  • That which is entailed. 

  • An estate in fee entailed, or limited in descent to a particular class of issue. 

  • The rule by which the descent is fixed. 

implicate

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

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

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

noun
  • The thing implied. 

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