lanceolate vs rounded

lanceolate

noun
  • Any such artefact 

adj
  • Of a class of knapped stone points, made without a stem, shoulders, notches, or other features that aid in attachment to a shaft. 

  • Having the general shape of a lance; much longer than wide, with the widest part lower than the middle and a pointed apex. 

rounded

adj
  • Made into a circle or sphere. 

  • Complete or balanced. 

  • Pronounced with the lips drawn together. 

  • Ending in a broad arch. 

  • Describing a number that has been changed to its nearest desired value. 

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