apparent vs outer

apparent

adj
  • Capable of being seen, or easily seen; open to view; visible to the eye, eyely; within sight or view. 

  • Appearing to the eye or mind (distinguished from, but not necessarily opposed to, true or real); seeming. 

  • Clear or manifest to the understanding; plain; evident; obvious; known; palpable; indubitable. 

outer

adj
  • Outside; external. 

  • Farther from the centre of the inside. 

noun
  • Someone who outs another. 

  • The 4th circle on a target, outside the inner and magpie. 

  • The smallest single unit sold by wholesalers to retailers, usually one retail display box. 

  • An outer part. 

  • A shot which strikes the outer of a target. 

  • One who puts out, ousts, or expels. 

  • An uncovered section of the seating at a stadium or sportsground. 

  • Someone who admits to something publicly. 

  • One who supports leaving the European Union. 

  • An ouster; dispossession. 

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