toil vs trial

toil

noun
  • Trouble, strife. 

  • Labour, work, especially of a grueling nature. 

  • A net or snare; any thread, web, or string spread for taking prey. 

verb
  • To struggle. 

  • To labour; work. 

  • To weary through excessive labour. 

  • To work (something); often with out. 

trial

noun
  • A difficult or annoying experience, (especially religion) such an experience seen as a test of faith and piety 

  • Appearance at judicial court in order to be examined. 

  • A clinical trial, a research study. 

  • A piece of ware used to test the heat of a kiln. 

  • The trial number. 

  • An opportunity to test something out; a test. 

  • A tryout to pick members of a team. 

  • An internal examination set by Eton College. 

adj
  • Attempted on a provisional or experimental basis. 

  • Pertaining to a language form referring to three of something, like people. (See Ambai language for an example.) 

  • Pertaining to a trial or test. 

  • Characterized by having three (usually equivalent) components. 

  • Triple. 

verb
  • To carry out a series of tests on (a new product, procedure etc.) before marketing or implementing it. 

  • To try out (a new player) in a sports team. 

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