edging vs rosaline

edging

noun
  • The operation of shaping or dressing the edge of anything, as of a piece of metal. 

  • A technique involving the placement of the edge of the climbing shoe on a sharp hold. 

  • Anything that forms, defines, or marks the edge of something. 

  • The sexual technique of maintaining a high level of sexual arousal for an extended period of time without reaching orgasm. 

rosaline

noun
  • A type of needlepoint. 

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