'Ice' and 'Ise'

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Across
  1. 2. pretending to be not who you are-undercover.
  2. 4. choose to lose something or someone typically for another person's benefit.
  3. 6. a vow or statement that gives certainty that someone will do something.
  4. 7. Repeated activities that are mainly done to strengthen/help with mental or physical health.
  5. 9. The verb or act of giving someone valuable information,suggestions, thoughts or ideas.
  6. 10. what is considered correct, ethical or right.
Down
  1. 1. to do something someone doesn't expect-shock, bewilder.
  2. 3. giving help or working for someone.
  3. 4. cut or chop something into sectors or pieces.
  4. 5. to go over something already know just so it sticks in people's heads.
  5. 8. Any sort of object that is used for a certain purpose.