assumpsit vs solicitation

assumpsit

noun
  • A promise or undertaking, either express or implied, founded on a consideration. 

  • An action to recover damages for breach or nonperformance of such a promise. 

solicitation

noun
  • the action or instance of soliciting; petition; proposal 

  • an inchoate offense that consists of a person offering money or inducing another to commit a crime with the specific intent that the person solicited commit the crime 

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