expansive vs pyramidal

expansive

adj

  • Comprehensive in scope or extent. 

  • Talkative and sociable. 

  • Exhibiting expansivity. 

  • Able to be expanded. 

pyramidal

adj

  • Tetragonal. 

  • Pyramid-shaped. 

noun

  • One of the carpal bones. 

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