plus-size vs tubby

plus-size

adj
  • Overweight. 

  • Designed to fit an overweight person. 

tubby

adj
  • Resembling a tub; sounding dull and without resonance or freedom of sound. 

  • stout, rotund 

noun
  • An overweight person. 

How often have the words plus-size and tubby occurred in a corpus of books? (source: Google Ngram Viewer )