self-starting vs vaulting

self-starting

adj
  • Energetic and resourceful. 

  • That starts by itself. 

vaulting

adj
  • performing 

  • Exaggerated or overreaching. 

  • Leaning upward or over. 

noun
  • A vaulted structure; such structures treated as a group. 

  • The sport of gymnastics and dance routines performed on horseback, and on the longe line. 

  • The practice of constructing vaults, or a particular method of such construction. 

How often have the words self-starting and vaulting occurred in a corpus of books? (source: Google Ngram Viewer )