barytone vs properispomenon

barytone

noun
  • A word that is not accented on the ultimate syllable. 

  • A word that is accented on the penultimate syllable. 

adj
  • Not having an accent on the last syllable. 

  • Of or pertaining to a word not having an accent on the last syllable. 

properispomenon

noun
  • A word having such an accent. 

adj
  • In Greek grammar, having a circumflex accent on the penultimate syllable. 

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