dive vs overfall

dive

verb
  • To cause to descend, dunk; to plunge something into water. 

  • To deliberately fall down after a challenge, imitating being fouled, in the hope of getting one's opponent penalised. 

  • To descend sharply or steeply. 

  • To jump headfirst toward the ground or into another substance. 

  • To undertake with enthusiasm. 

  • To swim under water. 

  • To explore by diving; to plunge into. 

  • To plunge or to go deeply into any subject, question, business, etc.; to penetrate; to explore. 

  • To jump into water head-first. 

noun
  • A downward swooping motion. 

  • A swim under water. 

  • A jump or plunge into water. 

  • Aerial descent with the nose pointed down. 

  • A deliberate fall after a challenge. 

  • A decline. 

  • A seedy bar, nightclub, etc. 

  • A headfirst jump toward the ground or into another substance. 

overfall

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

  • 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 topple. 

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. 

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