endowment vs leg up

endowment

noun
  • Property or funds invested for the support and benefit of a person or not-for-profit institution. 

  • Something with which a person or thing is endowed. 

  • Endowment assurance or pure endowment. 

  • A ceremony designed to prepare participants for their role in the afterlife. 

leg up

noun
  • Assistance, help given to get started or overcome a problem or obstacle. 

  • A boost, a sudden improvement; an advantage, an edge. 

  • The act of assisting another's progress over a wall or other obstacle by forming a step for one of their feet with one's hands. 

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