lam into vs let someone have it

lam into

verb
  • To attack verbally. 

let someone have it

verb
  • To verbally assail someone. 

  • Used other than figuratively or idiomatically: see let, have, it. 

  • To attack someone with great force. 

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