chemical-free vs unformed

chemical-free

adj
  • free of or produced without the addition or use of artificial chemicals. 

  • not involving the use of artificial chemicals in farming, such as insecticides or fertilisers. 

unformed

adj
  • Not formed or made. 

  • Not well developed. 

  • Not having a definite form; shapeless; amorphous. 

  • Not grouped into any constellation. 

  • Decomposed, or resolved into parts; having the form destroyed. 

How often have the words chemical-free and unformed occurred in a corpus of books? (source: Google Ngram Viewer )