infuse vs insert

infuse

verb
  • To inspire; to inspirit or animate; to fill (with). 

  • To instill as a quality. 

  • To steep in a liquid, so as to extract the soluble constituents (usually medicinal or herbal). 

  • To cause to become an element of something; to insert or fill. 

  • To undergo infusion. 

  • To make an infusion with (an ingredient); to tincture; to saturate. 

insert

verb
  • To put in between or into. 

noun
  • A sequence of DNA inserted into another DNA molecule. 

  • A close-up shot used to draw attention to a particular element of a larger scene. 

  • A plug-in that adds an effect to an audio track. 

  • A pre-recorded segment included as part of a live broadcast. 

  • An image inserted into text. 

  • An expression, such as "please" or an interjection, that may occur at various points in an utterance. 

  • A mechanical component inserted into another. 

  • A promotional or instructive leaflet inserted into a magazine, newspaper, tape or disk package, etc. 

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