inner vs inside

inner

noun
  • An inner part. 

  • A thin glove worn inside batting gloves or wicket-keeping gloves. 

  • One who supports remaining in the European Union. 

  • A forward who plays in or near the center of the field. 

  • The 2nd circle on a target, between the bull (or bull's eye) and magpie. 

  • A duvet, excluding the cover. 

adj
  • Being or occurring (farther) inside, situated farther in, located (situated) or happening on the inside of something, situated within or farther within contained within something. 

  • Close to the centre, located near or closer to center. 

  • Inside or closer to the inside of the body. 

  • Privileged, more or most privileged, more or most influential, intimate, exclusive, more important, more intimate, private, secret, confined to an exclusive group, exclusive to a center; especially a center of influence being near a center especially of influence. 

  • Of mind or spirit, relating to the mind or spirit, to spiritual or mental processes, mental, spiritual, relating to somebody's private feelings or happening in somebody's mind, existing as an often repressed part of one's psychological makeup. 

  • Not obvious, private, not expressed, not apparent, hidden, less apparent, deeper, obscure; innermost or essential; needing to be examined closely or thought about in order to be seen or understood. 

inside

noun
  • The interior or inner part. 

  • 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. 

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

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. 

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

  • Within a period of time. 

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. 

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