inarticulate vs tardigrade

inarticulate

noun
  • An animal belonging to the subphylum Inarticulata. 

adj
  • not articulated in normal words. 

  • unable to speak with any clarity 

  • speechless 

  • not having joints or other articulations 

tardigrade

noun
  • A member of the animal phylum Tardigrada. 

  • Sloth. 

adj
  • Sluggish; moving slowly. 

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