across the board vs nonselectively

across the board

prep
  • Pertaining to all categories or things. 

  • Having an equal amount staked on a competitor placing first, second, or third. 

  • Of a move or sequence of play, made in response to developments occurring in the game, as opposed to pre-planned or according to theory. 

nonselectively

adv
  • In a nonselective manner 

  • Describing the isotopic labelling of a compound in which the position and numbering of the labelled nuclides are undefined; such a compound is nonselectively labelled 

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