affixes

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Across
  1. 1. never ending
  2. 4. half of a circle
  3. 5. to see into the future
  4. 7. under water
  5. 8. after graduating
Down
  1. 2. a bike with 3 wheels
  2. 3. a composition of orchestra instruments
  3. 4. out of the ordinary
  4. 6. different words with the same meaning