ovoid vs spherule

ovoid

noun

  • Something that is oval in shape. 

adj

  • Egg-shaped; shaped like an oval, but more tapered at one end; ovate. 

  • Shaped like an oval. 

spherule

noun

  • A small sphere. 

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