imperfective vs rhythmic

imperfective

adj
  • Of, relating to or having the properties of the imperfective aspect. 

noun
  • The imperfective aspect; a verb having this aspect. 

rhythmic

adj
  • Of or relating to rhythm. 

  • Characterized by rhythm. 

  • With regular, repetitive motion or sound. 

  • Written in verse, especially rhyming verse. 

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