clasp vs osculation

clasp

noun
  • An embrace, a grasp, or handshake. 

  • A fastener or holder, particularly one that clasps. 

verb
  • To shut or fasten together with, or as if with, a clasp. 

  • To take hold of; to grasp. 

osculation

noun
  • A kiss. 

  • A close contact. 

  • Determining whether a number is divisible by another by means of certain operations on its digits. 

  • The action of kissing. 

  • A contact between curves or surfaces, at which point they have a common tangent. 

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