allot vs amass

allot

verb
  • To assign or designate as a task or for a purpose. 

  • To distribute or apportion by (or as if by) lot. 

amass

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

  • To accumulate; to assemble. 

  • To collect into a mass or heap. 

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