bobble vs wamble

bobble

noun
  • A wobbling motion. 

  • A pill (a ball formed on the surface of the fabric, as on laundered clothes). 

  • A localized set of stitches forming a raised bump. 

  • A furry ball attached on top of a hat. 

  • Elasticated band used for securing hair (for instance in a ponytail), a hair tie 

verb
  • To bob up and down. 

  • To make a mistake in. 

  • To roll slowly. 

wamble

noun
  • An unsteady walk; a staggering or wobbling. 

  • A rumble of the stomach. 

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

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

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

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