manipulate vs massage

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 

massage

verb
  • To rub and knead (someone's body or a part of a body), to perform a massage on (somebody). 

  • To falsify (data or accounts). 

  • To manipulate (data, a document etc.) to make it more presentable or more convenient to work with. 

noun
  • The action of rubbing, kneading or hitting someone's body, to help the person relax, prepare for muscular action (as in contact sports) or to relieve aches. 

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