ail vs pine nut

ail

noun
  • The awn of barley or other types of corn. 

verb
  • To be ill; to suffer; to be troubled. 

  • To cause to suffer; to trouble, afflict. (Now chiefly in interrogative or indefinite constructions.) 

pine nut

noun
  • The edible seed of any of several species of evergreen pine, especially Pinus pinea, Pinus cembra, and Pinus cembroides. 

  • The flavor that results from mixing pineapple and coconut. 

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