cilium vs vibrissa

cilium

noun
  • One of the fine hairs along an insect's wing. 

  • An eyelash. 

  • A short microscopic hairlike organelle projecting from a eukaryotic cell (such as a unicellular organism or one cell of a multicelled organism) which serve either for propulsion by causing currents in the surrounding fluid or as sensors. 

  • Hairs or similar protrusions along the margin of an organ. 

vibrissa

noun
  • Any similar feather near the mouth of some birds. 

  • The thick hairs found inside the nostrils of humans and other mammals. 

  • Any of the tactile whiskers on the nose of an animal such as a cat. 

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