clump vs hotfoot

clump

noun
  • A thick addition to the sole of a shoe. 

  • 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. 

  • The compressed clay of coal strata. 

verb
  • To gather in dense groups. 

  • To form clusters or lumps. 

  • To walk with heavy footfalls. 

  • To strike; to beat. 

hotfoot

noun
  • The prank of secretly inserting a match between the sole and upper of a victim's shoe and then lighting it. 

adv
  • Hastily; without delay. 

adj
  • Moving with haste or zeal. 

verb
  • To run (a distance). 

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