bumpy vs uneven

bumpy

adj
  • rough; jumpy; causing or characterized by jolts and irregular movements 

  • covered with or full of bumps 

uneven

adj
  • Odd 

  • Not even 

  • Not uniform 

  • Varying in quality 

  • Not level or smooth 

verb
  • To make uneven. 

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