adjectival vs adverb

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. 

adverb

noun
  • A word that modifies a verb, adjective, other adverbs, or various other types of words, phrases, or clauses. 

  • In the Raku programming language, a named parameter that modifies the behavior of a routine. 

  • A word that modifies a verb, adjective, other adverbs, or various other types of words, phrases, or clauses. (modifying a verb) 

verb
  • To make into or become an adverb. 

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