sparrow vs squab

sparrow

noun
  • The house sparrow, Passer domesticus; a small bird with a short bill, and brown, white and gray feathers. 

  • A member of the family Passeridae, comprising small Old World songbirds. 

  • A member of the family Emberizidae, comprising small New World songbirds. 

  • Generically, any small, nondescript bird. 

  • A quick-witted, lively person. 

squab

noun
  • A baby pigeon, dove, or chicken. 

  • A baby rook. 

  • The meat of such a baby bird used as food. 

  • A thick cushion, especially a flat one covering the seat of a chair or sofa. 

  • A person of a short, fat figure. 

adj
  • Unfledged; unfeathered. 

  • Curt; abrupt. 

  • Fat; thick; plump; bulky. 

  • Shy; coy. 

  • Clumsy. 

verb
  • To stuff thickly and sew through, the stitches being concealed by buttons, etc. 

  • To furnish with squabs, or cushions. 

adv
  • With a heavy fall; plump. 

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