lam into vs onrush

lam into

verb

  • To attack verbally. 

onrush

verb

  • To assault aggressively. 

  • To rush or flow forward forcefully. 

noun

  • An aggressive assault. 

  • A forceful rush or flow forward. 

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