architectonic vs architectural

architectonic

adj
  • Relating to or characteristic of architecture, design and construction. 

  • Foundational, fundamental; supporting the structure of a morality, society, or culture. 

  • Relating to the scientific systematization of the totality of knowledge. 

noun
  • The design, structure, or architecture of something. 

architectural

adj
  • Pertaining to architecture. 

  • Resembling architecture in style; seeming to have been designed (by an architect). 

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