adjectival vs qualifier

adjectival

noun
  • An adjectival phrase or clause. 

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

  • Of or relating to or functioning as an adjective. 

qualifier

noun
  • A word or phrase, such as an adjective or adverb, that describes or characterizes another word or phrase, such as a noun or verb; a modifier; that adds or subtracts attributes to another. 

  • A preliminary stage of a competition. 

  • One who qualifies for something, especially a contestant who qualifies for a stage in a competition. 

  • A marker that qualifies or modifies another code element. 

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