feast vs fest

feast

noun
  • A festival; a holy day or holiday; a solemn, or more commonly, a joyous, anniversary. 

  • A very large meal, often of a ceremonial nature. 

  • Something delightful 

verb
  • To hold a feast in honor of (someone). 

  • To partake in a feast, or large meal. 

  • To dwell upon (something) with delight. 

fest

noun
  • A gathering for a specified reason or occasion. 

  • An event in which the act denoted by the previous noun occurs. 

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