buoyant vs rough-and-tumble

buoyant

adj
  • Involving or engaged in much successful trade or activity. 

  • Having buoyancy; able to float. 

  • Lighthearted and lively. 

rough-and-tumble

adj
  • highly competitive 

  • active, vigorous and rough, with the possibility of harm 

noun
  • An environment of rough activity 

  • Rough activity; fighting or brawling; a fight. 

  • A person who characteristically engages in such activity 

verb
  • Engage in rough-and-tumble activity 

How often have the words buoyant and rough-and-tumble occurred in a corpus of books? (source: Google Ngram Viewer )