boule vs pastille

boule

noun
  • A round piece of dough. 

  • A single-crystal ingot produced by synthetic means. 

  • A round loaf of bread. 

  • A through-sawn log with the slices restacked in the order and orientation they originally had in the log, usually with waney edges. 

  • A council of citizens in Ancient Greece 

  • One of the bowls used in the French game of boules. 

verb
  • To shape (a piece of dough) into a ball. 

pastille

noun
  • An often round and somewhat flat flavoured candy or sweet. 

  • Any small, usually round and somewhat flat, granular piece of material; a tablet. 

  • A medicinal pill, originally made of compressed herbs. 

  • A candy- or sweet-like lozenge, which, when sucked, releases substances that soothe a sore throat, and sometimes vapours to help unblock the nose or sinuses. 

  • A small pellet containing aromatic substances, burned to diffuse a fragrance or to disinfect or fumigate. 

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