shamble vs wamble

shamble

verb
  • To walk while shuffling or dragging the feet. 

noun
  • One of a succession of niches or platforms, one above another, to hold ore which is thrown successively from platform to platform, and thus raised to a higher level. 

wamble

verb
  • To wobble, to totter, to waver; to walk with an unsteady gait. 

  • To twist and turn; to wriggle; to roll over. 

  • To feel nauseous, to churn (of stomach). 

noun
  • An unsteady walk; a staggering or wobbling. 

  • A rumble of the stomach. 

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