onrush vs swoop

onrush

verb
  • To rush or flow forward forcefully. 

  • To assault aggressively. 

noun
  • An aggressive assault. 

  • A forceful rush or flow forward. 

swoop

verb
  • To move swiftly, as if with a sweeping movement, especially to attack something. 

  • To fall on at once and seize; to catch while on the wing. 

  • To fly or glide downwards suddenly; to plunge (in the air) or nosedive. 

  • To pass with pomp; to sweep. 

  • To seize; to catch up; to take with a sweep. 

  • To search the ground for discarded cigarette butts that can be made into new cigarettes. 

noun
  • An instance, or the act of suddenly plunging downward. 

  • A quick passage from one note to the next. 

  • A sudden act of seizing. 

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