pat vs request

pat

verb
  • To (gently) tap the flat of one's hand on a person or thing. 

  • To stroke or fondle (an animal). 

  • To hit lightly and repeatedly with the flat of the hand to make smooth or flat 

  • To gently rain. 

noun
  • A flattish lump of soft matter, especially butter or dung. 

  • The sound of a light slap or tap with a soft flat object, especially of a footstep 

  • A light tap or slap, especially with the hands 

adv
  • Opportunely, in a timely or suitable way. 

  • Perfectly. 

adj
  • Exactly suitable, fitting, apt; timely, convenient, opportune, ready for the occasion; especially of things spoken. 

  • Trite, being superficially complete, lacking originality. 

request

verb
  • To ask (somebody) to do something. 

  • To ask for (something). 

noun
  • A message sent over a network to a server. 

  • Act of requesting (with the adposition at in the presence of possessives, and on in their absence). 

  • Condition of being sought after. 

  • A formal message requesting something. 

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