encircling vs rotund

encircling

adj
  • enclosing, skirting 

noun
  • encirclement 

rotund

adj
  • Full and rich; orotund; sonorous; full-toned. 

  • Having a round body shape; portly or plump; podgy. 

  • Having a round, spherical or curved shape; circular; orbicular. 

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