listless vs upbeat

listless

adj
  • Lacking energy, enthusiasm, or liveliness. 

upbeat

adj
  • Having a fast pace, tempo, or beat. 

  • Having a positive, lively, or perky tone, attitude, etc. 

noun
  • An unaccented beat at the start of a musical phrase. 

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