built like a tank vs pert

built like a tank

adj
  • Sturdy; exceptionally well constructed. 

  • Broad-shouldered and of solid, muscular build. 

pert

adj
  • Well-formed; shapely. 

  • Attractive. 

  • Lively; alert and cheerful; bright. 

How often have the words built like a tank and pert occurred in a corpus of books? (source: Google Ngram Viewer )