invitation vs saccharine

invitation

noun
  • Allurement; enticement. 

  • The act of inviting; solicitation; the requesting of a person's company. 

  • A bid that tells one's partner that game or slam is likely if their hand is at the strong end of what they have indicated. 

  • A line that is intentionally left open to encourage the opponent to attack. 

  • The brief exhortation introducing the confession in the Anglican communion-office. 

  • A document or verbal message conveying an invitation. 

saccharine

noun
  • Sentimentalism. 

adj
  • Excessively sweet in action or disposition, especially if romantic or sentimental to the point of ridiculousness; sickly sweet, syrupy. 

  • Resembling granulated sugar; saccharoid. 

  • Of or relating to saccharin (“a white, crystalline powder, C₇H₅NO₃S, used as an artificial sweetener in food products”). 

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