moratory vs tardy

moratory

adj
  • Pertaining to delay of payment or fulfilment of an obligation. 

tardy

adj
  • Late; overdue or delayed. 

  • Ineffectual; slow-witted, slow to act, or dull. 

  • Moving with a slow pace or motion; not swift. 

noun
  • A piece of paper given to students who are late to class. 

  • An instance of a student's being marked as tardy by a teacher on the teacher's attendance sheet. 

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