amass vs part with

amass

verb
  • to gather a great quantity of; to accumulate. 

  • To accumulate; to assemble. 

  • To collect into a mass or heap. 

part with

verb
  • To let go of; to give up; to relinquish. 

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