institute vs invest

institute

verb
  • To nominate; to appoint. 

  • To invest with the spiritual charge of a benefice, or the care of souls. 

  • To begin or initiate (something); to found. 

noun
  • An organization founded to promote a cause 

  • The person to whom an estate is first given by destination or limitation. 

  • An institution of learning; a college, especially for technical subjects 

  • The building housing such an institution 

invest

verb
  • To formally give (power or authority). 

  • To surround, accompany, or attend. 

  • To spend money, time, or energy on something, especially for some benefit or purpose; used with in. 

  • To commit money or capital in the hope of financial gain. 

  • To ceremonially install someone in some office. 

  • To lay siege to. 

  • To be involved in; to form strong attachments to. 

  • To prepare for lost wax casting by creating an investment mold (a mixture of a silica sand and plaster). 

  • To make investments. 

  • To formally give (someone) some power or authority. 

  • To envelop, wrap, cover. 

noun
  • An unnamed tropical weather pattern "to investigate" for development into a significant (named) system. 

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