allot vs forgather

allot

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

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

forgather

verb
  • To assemble or gather together in one place, to gather up; to congregate. 

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