ankle vs clump

ankle

verb
  • To walk. 

  • To cyclically angle the foot at the ankle while pedaling, to maximize the amount of work applied to the pedal during each revolution. 

noun
  • The skeletal joint which connects the foot with the leg; the uppermost portion of the foot and lowermost portion of the leg, which contain this skeletal joint. 

clump

verb
  • To walk with heavy footfalls. 

  • To gather in dense groups. 

  • To form clusters or lumps. 

  • To strike; to beat. 

noun
  • A thick group or bunch, especially of bushes or hair. 

  • A small group of trees or plants. 

  • A cluster or lump; an unshaped piece or mass. 

  • A dull thud. 

  • A thick addition to the sole of a shoe. 

  • The compressed clay of coal strata. 

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