configurational vs constructional

configurational

adj
  • Of or pertaining to a configuration. 

  • Of a language: having a relatively fixed style of grammar where the subject of a sentence is outside the finite verb phrase but the object is inside it. 

constructional

adj
  • Of, pertaining to, or obtained by construction. 

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