comfortable vs of substance

comfortable

adj
  • Amply sufficient, satisfactory. 

  • In a state of comfort and content. 

  • Providing physical comfort and ease; agreeable. 

  • Confident; relaxed; not worried about someone or something. 

noun
  • A stuffed or quilted coverlet for a bed; a comforter. 

of substance

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