airhead vs noddle

airhead

noun
  • A foolish, silly, or unintelligent person. 

  • A (usually temporary) landing area for aircraft for supplying a non-military operation. 

  • An area of hostile territory that has been seized for use as an airbase to ensure the further safe landing of troops and materiel. 

noddle

noun
  • The head as the seat of mental capacity or intellect. 

  • The head; the part of the body of an animal or human which contains the brain, mouth and main sense organs. 

verb
  • To nod repeatedly. 

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