pat vs shallow

pat

adj
  • Trite, being superficially complete, lacking originality. 

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

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 

verb
  • To stroke or fondle (an animal). 

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

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

  • To gently rain. 

adv
  • Opportunely, in a timely or suitable way. 

  • Perfectly. 

shallow

adj
  • Lacking interest or substance. 

  • Not steep; close to horizontal. 

  • Not far forward, close to the net. 

  • Having little depth; significantly less deep than wide. 

  • Not intellectually deep; not penetrating deeply; simple; not wise or knowing. 

  • Concerned mainly with superficial matters. 

  • Extending not far downward. 

noun
  • A costermonger's barrow. 

  • A shallow portion of an otherwise deep body of water. 

  • A fish, the rudd. 

verb
  • To make or become less deep. 

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