gum vs pastille

gum

noun
  • A gummi candy. 

  • Any of various viscous or sticky substances that are exuded by certain plants. 

  • Any viscous or sticky substance resembling those that are exuded by certain plants. 

  • A hive made of a section of a hollow gum tree; hence, any roughly made hive. 

  • A single piece of chewing gum. 

  • A vessel or bin made from a hollow log. 

  • A rubber overshoe. 

  • Chewing gum. 

  • A gum tree. 

  • The flesh around the teeth. 

verb
  • To impair the functioning of a thing or process. 

  • To apply an adhesive or gum to; to make sticky by applying a sticky substance to. 

  • To chew, especially of a toothless person or animal. 

  • To deepen and enlarge the spaces between the teeth of (a worn saw), as with a gummer. 

  • To stiffen with glue or gum. 

  • To inelegantly attach into a sequence. 

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  • A medicinal pill, originally made of compressed herbs.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 gum and pastille occurred in a corpus of books? (source: Google Ngram Viewer )