super-, sub-, over- prefixes

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Across
  1. 2. not up to an acceptable standard
  2. 4. place or lay over or above something
  3. 12. existence beyond the visible observable universe
  4. 13. under the earth
  5. 15. an estimate that is too high
Down
  1. 1. to protect (someone or something) more than is necessary or reasonable
  2. 3. under the ocean
  3. 5. beneath a person’s conscious thinking
  4. 6. an outlying part of a city or town
  5. 7. explosion of a star where its brightness is more than the sun
  6. 8. take away
  7. 9. having more education, training, or experience than a job calls for
  8. 10. self-service retail market having a large variety of goods
  9. 11. a passage under a street, for pedestrians, trains etc.
  10. 14. one who has charge over others
  11. 16. exceeding what is sufficient or necessary