rhythmic vs unrhythmical

rhythmic

adj
  • Characterized by rhythm. 

  • With regular, repetitive motion or sound. 

  • Of or relating to rhythm. 

  • Written in verse, especially rhyming verse. 

unrhythmical

adj
  • Not rhythmical. 

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