engrossed vs ruminant

engrossed

adj
  • Preoccupied with something to the exclusion of everything else. 

  • Finalized, written in large letters. 

ruminant

adj
  • Pondering; ruminative. 

  • Chewing cud. 

noun
  • An artiodactyl ungulate mammal which chews cud, such as a cow or deer. 

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