guiltless vs innocent as the child unborn

guiltless

adj
  • Free from guilt; innocent. 

  • Without experience or trial; unacquainted (with). 

  • Not encumbered with; free from. 

innocent as the child unborn

adj
  • Utterly innocent. 

How often have the words guiltless and innocent as the child unborn occurred in a corpus of books? (source: Google Ngram Viewer )