bumble vs ply

bumble

noun
  • A confusion; a jumble. 

  • A bumble-bee. 

  • The Eurasian bittern. 

verb
  • To boom, as a Eurasian bittern. 

  • To act in an inept, clumsy or inexpert manner; to make mistakes. 

  • To buzz, as a fly. 

ply

noun
  • A condition, a state. 

  • In two-player sequential games, a "half-turn" or a move made by one of the players. 

  • A layer of material. 

  • A bent; a direction. 

  • A strand that, twisted together with other strands, makes up rope or yarn. 

verb
  • To work at (something) diligently. 

  • To press upon; to urge persistently. 

  • To persist in offering something to, especially for the purpose of inducement or persuasion. 

  • To travel over (a route) regularly. 

  • To bend, to flex; to be bent by something, to give way or yield (to a force, etc.). 

  • To wield or use (a tool, a weapon, etc.) steadily or vigorously. 

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