hiatus vs surcease

hiatus

noun
  • An interruption, break or pause. 

  • A gap in a series, making it incomplete. 

  • An opening in an organ. 

  • A gap in geological strata. 

  • A syllable break between two vowels, without an intervening consonant. (Compare diphthong.) 

  • An unexpected break from work. 

surcease

noun
  • Cessation; stop, stopping; end. Respite, intermission. 

verb
  • To come to an end; to desist. 

  • To bring to an end. 

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