glair vs mucilage

glair

noun
  • Any viscous, slimy substance. 

  • Egg white, especially as used in various industrial preparations. 

  • A broadsword fixed on a pike; a kind of halberd. 

verb
  • To smear with egg-white. 

mucilage

noun
  • A thick gluey substance (gum) produced by many plants and some microorganisms. 

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