wag vs wamble

wag

noun
  • An oscillating movement. 

  • A witty person. 

verb
  • To swing from side to side, such as of an animal's tail, or someone's head, to express disagreement or disbelief. 

  • To play truant from school. 

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 wag and wamble occurred in a corpus of books? (source: Google Ngram Viewer )