anticipant vs parturient

anticipant

noun
  • One who anticipates. 

adj
  • Expectant. 

parturient

noun
  • One who is in labour, who is about to give birth, or who has recently given birth. 

  • A substance that facilitates labour. 

adj
  • Of, related to, or caused by childbirth 

  • Facilitating labour. 

  • In labour, about to give birth, or having recently given birth. 

  • About to create a new product, or float a new idea. 

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