elongate vs ovaloid

elongate

adj
  • Lengthened, extended, elongated; relatively long and slender. 

verb
  • To become long or longer by being pulled or stretched; to become elongated. 

  • To make long or longer by pulling and stretching; to make elongated. 

ovaloid

adj
  • Approximately oval. 

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