grope vs manipulate

grope

verb
  • To touch (another person) closely and (especially) sexually. 

  • To intentionally and inappropriately touch or rub against another person, in such a manner as to make the contact appear accidental, for the purpose of one's sexual gratification. 

  • To search or attempt to find something in the dark, or, as a blind person, by feeling; to move about hesitatingly, as in darkness or obscurity; to feel one's way, as with the hands, when one can not see. 

noun
  • An act of groping, especially sexually. 

manipulate

verb
  • To handle and move a body part, either as an examination or for a therapeutic purpose 

  • To influence or control someone in order to achieve a specific purpose, especially one that is unknown to the one being manipulated and beneficial to the manipulator; to use 

  • To move, arrange or operate something using the hands 

  • To influence, manage, direct, control or tamper with something 

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