croak vs queep

croak

verb
  • To make its sound. 

  • To kill someone or something. 

  • To complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually. 

  • To die. 

  • To utter in a low, hoarse voice. 

  • To make a croak. 

noun
  • The call of a frog or toad. (see also ribbit) 

  • A faint, harsh sound made in the throat. 

  • The harsh call of various birds, such as the raven or corncrake, or other creatures. 

queep

verb
  • To emit a "queep" sound. 

intj
  • The sound a bird may make, similar to peep, chirp, cheep. 

  • The sound a machine may make, similar to beep. See pocketa-queep. 

noun
  • Non-flying duties, typically paperwork, that are undesirable to pilots. 

  • A rowing event, with two scullers and two sweepers per shell. 

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