boundary vs inside

boundary

noun
  • An edge or line marking an edge of the playing field. 

  • The bounds, confines, or limits between immaterial things (such as one’s comfort zone, privacy, or professional sphere and the realm beyond). 

  • The dividing line or location between two areas. 

  • An event whereby the ball is struck and either touches or passes over a boundary (with or without bouncing), usually resulting in an award of 4 (four) or 6 (six) runs respectively for the batting team. 

  • (of a set) The set of points in the closure of a set S, not belonging to the interior of that set. 

inside

adv
  • In or to prison. 

  • Intimately, secretly; without expressing what one is feeling or thinking. 

  • Within or towards the interior of something; within the scope or limits of something (a place), especially a building. 

  • Indoors. 

prep
  • Within the interior of something, closest to the center or to a specific point of reference. 

  • Within a period of time. 

adj
  • Legally married to or related to (e.g. born in wedlock to), and/or residing with, a specified other person (parent, child, or partner); (of a marriage, relationship, etc) existing between two such people. 

  • Toward the batter as it crosses home plate. 

  • At or towards or the left-hand side of the road if one drives on the left, or right-hand side if one drives on the right. 

  • Of or pertaining to the inner surface, limit or boundary. 

  • Nearer to the interior or centre of something. 

  • Originating from, arranged by, or being someone inside an organisation. 

noun
  • The inside scoop; information known only to certain involved people. 

  • The side of a curved road, racetrack etc. that has the shorter arc length; the side of a racetrack nearer the interior of the course or some other point of reference. 

  • The left-hand side of a road if one drives on the left, or right-hand side if one drives on the right. 

  • The interior or inner part. 

  • (in the plural) The interior organs of the body, especially the guts. 

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