heap on vs lavish

heap on

verb
  • To give someone a lot of something (advice, praise, insults, etc.), especially more so than they can handle or is appropriate 

lavish

verb
  • To give out to (somebody) extremely generously. 

  • To give out extremely generously; to squander. 

adj
  • Superabundant; excessive. 

  • Expending or bestowing profusely; profuse; prodigal. 

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