anterior to vs until

anterior to

until

prep
  • Up to the time of (something happening). 

  • Up to (a certain place) 

  • Before (a time). 

conj
  • Before (a condition becoming true). 

  • Up to the time that (a condition becomes true). 

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