postulate vs solicit

postulate

verb
  • To appoint or request one's appointment to an ecclesiastical office. 

  • To assume as a truthful or accurate premise or axiom, especially as a basis of an argument. 

adj
  • Postulated. 

noun
  • An axiom. 

  • Something assumed without proof as being self-evident or generally accepted, especially when used as a basis for an argument. Sometimes distinguished from axioms as being relevant to a particular science or context, rather than universally true, and following from other axioms rather than being an absolute assumption. 

  • A requirement; a prerequisite. 

  • A fundamental element; a basic principle. 

solicit

verb
  • To urge the claims of; to plead; to act as solicitor for or with reference to. 

  • To offer to perform sexual activity, especially when for a payment. 

  • To persuade or incite one to commit some act, especially illegal or sexual behavior. 

  • To woo; to court. 

  • To persistently endeavor to obtain an object, or bring about an event. 

  • If you want to lose your virginity, you should try to solicit some fine looking women. 

  • To make a petition. 

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