fetal vs larval

fetal

adj
  • Pertaining to, or connected with, a fetus. 

larval

adj
  • Of or relating to a larva or larvae. 

  • Characteristic of larvae. 

  • Having the form or shape of a larva. 

  • Being a larva. 

  • Undeveloped, latent. 

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