insight vs inspiration

insight

noun
  • Intuitive apprehension of the inner nature of a thing or things; intuition. 

  • Knowledge (usually derived from consumer understanding) that a company applies in order to make a product or brand perform better and be more appealing to customers 

  • A sight or view of the interior of anything; a deep inspection or view; introspection; frequently used with into. 

  • An extended understanding of a subject resulting from identification of relationships and behaviors within a model, context, or scenario. 

  • Power of acute observation and deduction 

  • An individual's awareness of the nature and severity of one's mental illness. 

inspiration

noun
  • The act of an elevating or stimulating influence upon the intellect, emotions or creativity. 

  • A new idea, especially one which arises suddenly and is clever or creative. 

  • A person, object, or situation which quickens or stimulates an influence upon the intellect, emotions or creativity. 

  • The drawing of air into the lungs, accomplished in mammals by elevation of the chest walls and flattening of the diaphragm, as part of the act of respiration. 

  • A supernatural divine influence on the prophets, apostles, or sacred writers, by which they were qualified to communicate moral or religious truth with authority; a supernatural influence which qualifies people to receive and communicate divine truth; also, the truth communicated. 

  • A breath, a single inhalation. 

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