gassed vs hypnic

gassed

adj

  • Exhausted 

  • Drunk; intoxicated by alcohol. 

  • In a gaseous state. 

  • Happy 

  • Excited 

  • High; intoxicated by psychoactive drugs. 

hypnic

adj

  • That induces sleep. 

noun

  • Any sleep-inducing drug. 

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