endow vs pick up the tab for

endow

verb
  • To give property to (someone) as a gift; specifically, to provide (a person or institution) with support in the form of a permanent fund of money or other benefits. 

  • Followed by with, or rarely by of: to enrich or furnish with some faculty or quality. 

  • Usually in the passive: to naturally furnish (with something). 

  • To provide with a dower (“the portion that a widow receives from her deceased husband's property”) or a dowry (“property given to a bride”). 

pick up the tab for

How often have the words endow and pick up the tab for occurred in a corpus of books? (source: Google Ngram Viewer )