infuse vs saturate

infuse

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

  • 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 undergo infusion. 

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

saturate

verb
  • To cause to become completely impregnated, or soaked (especially with a liquid). 

  • To fill to excess. 

  • To satisfy the affinity of; to cause a substance to become inert by chemical combination with all that it can hold. 

  • To render pure, or of a colour free from white light. 

adj
  • Very intense. 

  • Saturated; wet. 

noun
  • Something saturated, especially a saturated fat. 

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