buoyant vs cumbrous

buoyant

adj
  • Having buoyancy; able to float. 

  • Lighthearted and lively. 

  • Involving or engaged in much successful trade or activity. 

cumbrous

adj
  • Unwieldy because of size or weight; cumbersome. 

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