dozy vs hypnic

dozy

adj

  • Quite sleepy or tired. 

  • Decaying, rotten, spongy. 

  • Intellectually slow. 

hypnic

adj

  • That induces sleep. 

noun

  • Any sleep-inducing drug. 

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