petty vs prominent

petty

adj
  • Secondary in importance or rank; minor, subordinate. 

  • 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. 

  • Having little or no importance. 

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

  • A class or school for young schoolboys. 

prominent

adj
  • eminent; distinguished above others 

  • standing out, or projecting; jutting; protuberant 

  • likely to attract attention from its size or position; conspicuous 

noun
  • Any of various moths having a conspicuous projection on the inner margin of the wings. 

  • In Nazi concentration camps, an inmate entrusted with minor supervisory duties and rewarded with perquisites. 

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