squab vs turtle dove

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. 

adv
  • With a heavy fall; plump. 

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. 

turtle dove

noun
  • Any of several (species of) birds, called by this traditional name, mainly in the genus Streptopelia, of the family Columbidae (doves and pigeons, which also included the extinct passenger pigeon, dodo, and solitaire). 

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