plerotic vs rounded

plerotic

adj
  • full, complete 

  • that occupies the entire oogonium 

rounded

adj
  • Complete or balanced. 

  • Made into a circle or sphere. 

  • 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 plerotic and rounded occurred in a corpus of books? (source: Google Ngram Viewer )