detonator vs pineapple

detonator

noun
  • A device used to detonate an explosive device etc. 

  • a small explosive device attached to the railhead to provide an audible warning when a train passes over it. 

pineapple

noun
  • A hand grenade. (From the similarity to the shape of a pineapple fruit.) 

  • The ovoid fruit of the pineapple plant, which has very sweet white or yellow flesh, a tough, spiky shell and a tough, fibrous core. 

  • A decorative carving of a pineapple fruit used as a symbol of hospitality. 

  • A web burrfish (Chilomycterus antillarum, syn. Chilomycterus geometricus) 

  • The flesh of a pineapple fruit used as a food item. 

  • A tropical plant, Ananas comosus, native to South America, having thirty or more long, spined and pointed leaves surrounding a thick stem. 

  • An Australian fifty dollar note. 

  • A light yellow colour, like that of pineapple flesh (also called pineapple yellow). 

  • A hairstyle consisting of a ponytail worn on top of the head, imitating the leaves of a pineapple. 

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