infuse vs interpose

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. 

interpose

verb
  • To be inserted between parts or things; to come between. 

  • To interrupt a conversation by introducing a different subject or making a comment. 

  • To intervene in a dispute, or in a conversation. 

  • To insert something (or oneself) between other things. 

  • To offer (one's help or services). 

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