minimalist vs useful

minimalist

adj
  • Believing in or seeking a minimal state; seeking to minimize or reduce to a minimum. 

noun
  • One who believes in or seeks a minimal state; one who seeks to minimize or reduce to a minimum. 

useful

adj
  • Having a practical or beneficial use. 

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