junior vs under

junior

adj
  • Low in rank; having a subordinate role, job, or situation. 

  • Belonging to a younger person, or an earlier time of life. 

  • Younger. 

  • Of or pertaining to a third academic year in a four-year high school (eleventh grade) or university. 

noun
  • A younger person. 

  • A junior barrister. 

  • A third-year student at a high school or university. 

  • A name suffix used after a son's name when his father has the same name (abbreviations: Jnr., Jr., Jun.). 

under

adj
  • Insufficient or lacking in a particular respect. 

  • Lower; beneath something. 

  • Under anesthesia, especially general anesthesia; sedated. 

  • In a state of subordination, submission or defeat. 

adv
  • Insufficiently. 

  • In or to a lower or subordinate position, or a position beneath or below something, physically or figuratively. 

  • In or into an unconscious state. 

  • So as to pass beneath something. 

prep
  • Using or adopting (a name, identity, etc.). 

  • Subordinate to; subject to the control of; in accordance with; in compliance with. 

  • Within the category, classification or heading of. 

  • Below the surface of. 

  • Less than. 

  • In the face of; in response to (some attacking force). 

  • In or at a lower level than; in the area covered or surmounted by. 

  • From one side of to the other, passing beneath. 

noun
  • The amount by which an actual total is less than the expected or required amount. 

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