campaign vs onrush

campaign

verb
  • To take part in a campaign. 

  • Consistently ride in races for a racing season. 

noun
  • The period during which a blast furnace is continuously in operation. 

  • A series of operations undertaken to achieve a set goal. 

onrush

verb
  • To rush or flow forward forcefully. 

  • To assault aggressively. 

noun
  • An aggressive assault. 

  • A forceful rush or flow forward. 

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