designful vs studious

designful

adj
  • Full of designs; scheming. 

studious

adj
  • Planned with study; deliberate; studied. 

  • Given to thought, or to the examination of subjects by contemplation; contemplative. 

  • Favorable to study; suitable for thought and contemplation 

  • Dedicated to study; devoted to the acquisition of knowledge from books 

  • Earnest in endeavors; attentive; diligent 

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