petty vs shallow

petty

adj
  • Having little or no importance. 

  • Of or relating to the lowest grade or level of school; junior, primary. 

  • Little or small in size. 

  • Of persons or their behaviour: marked by or reflective of undesirably limited interests, sympathies, or views; begrudging, selfish, small-minded; also, preoccupied with subjects having little or no importance and not mindful of broader concerns. 

  • Secondary in importance or rank; minor, subordinate. 

noun
  • An outbuilding used as a lavatory; an outhouse, a privy. 

  • A class or school for young schoolboys. 

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 petty and shallow occurred in a corpus of books? (source: Google Ngram Viewer )