built like a tank vs muscular

built like a tank

adj
  • Broad-shouldered and of solid, muscular build. 

  • Sturdy; exceptionally well constructed. 

muscular

adj
  • Having large, well-developed muscles. 

  • Robust, strong. 

  • Full-bodied 

  • Of, relating to, or connected with muscles. 

  • Brawny, thewy, having strength. 

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