overfall vs tumble

overfall

verb
  • To fall over; to topple. 

  • To fall on or spill over so as to cover (something). 

  • To change or affect so as to pervade (something); to come over 

  • To fall over; to spill from an edge or height. 

noun
  • Part of a garment that hangs so as to cover a lower part. 

  • A turbulent section of a body of water, caused by strong currents passing over submerged ridges. 

tumble

verb
  • To fall end over end; to roll over and over. 

  • To smoothe and polish, e.g., gemstones or pebbles, by means of a rotating tumbler. 

  • To muss, to make disorderly; to tousle or rumple. 

  • To obscure the audit trail of funds by means of a tumbler. 

  • To perform gymnastics such as somersaults, rolls, and handsprings. 

  • To have sexual intercourse. 

  • To move or rush in a headlong or uncontrolled way. 

  • To drop rapidly. 

noun
  • A fall, especially end over end. 

  • An act of sexual intercourse. 

  • A disorderly heap. 

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