brisk vs roborative

brisk

adj
  • Stimulating or invigorating. 

  • Full of liveliness and activity; characterized by quickness of motion or action. 

  • Full of spirit of life; effervescing. 

  • Abrupt, curt in one's manner or in relation to others. 

verb
  • To make or become lively; to enliven; to animate. 

roborative

adj
  • Giving strength; invigorating. 

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