avian vs sparrow

avian

noun
  • A bird. 

  • Someone who roleplays or describes themselves as being a bird or bird-like animal character with human characteristics. 

  • A bird-like or flying creature. 

adj
  • Characteristic of or pertaining to birds, or to bird-like or flying creatures. 

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. 

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