question vs respond

question

verb
  • To ask questions of; to interrogate; to ask for information. 

  • To ask a question or questions; inquire or seek to know; examine. 

  • To raise doubts about; have doubts about. 

noun
  • A subject or topic for consideration or investigation. 

  • A sentence, phrase or word which asks for information, reply or response; an interrogative. 

  • A proposal to a meeting as a topic for deliberation. 

  • A doubt or challenge about the truth, accuracy, or validity of a matter. 

respond

verb
  • To say something in return; to answer; to reply. 

  • To act in return; to carry out an action or in return to a force or stimulus; to do something in response. 

  • To satisfy; to answer. 

  • To correspond with; to suit. 

  • To be liable for payment. 

noun
  • A half-pillar, pilaster, or any corresponding device engaged in a wall to receive the impost of an arch. 

  • A versicle or short anthem chanted at intervals during the reading of a lection. 

  • A response. 

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