biological vs constructional

biological

adj
  • Of or relating to biology. 

  • Organic (grown without agrochemicals). 

  • Related by consanguinity, especially as to parents and children. 

noun
  • A biological product. 

constructional

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

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