waddle vs welter

waddle

verb
  • To walk with short steps, tilting the body from side to side. 

  • To move slowly. 

noun
  • A squat, swaying gait. 

welter

verb
  • To rise and fall, to tumble over, to roll. 

  • To roll around; to wallow. 

  • To wither; to wilt. 

  • To revel, luxuriate. 

noun
  • A tossing or rolling about. 

  • A general confusion or muddle, especially of a large number of items. 

adj
  • Heavyweight. 

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