adjectival vs prescribed

adjectival

adj
  • Of or relating to procedure, especially to technicalities thereof. 

  • Of or relating to or functioning as an adjective. 

noun
  • An adjectival phrase or clause. 

prescribed

adj
  • Of a procedure, specified to a great degree of detail; established as following a strict procedure or set of rules. 

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