Words with Latin roots: ‘trans’ ‘ex’ ‘oct’

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Across
  1. 5. to change words from one language into another language.
  2. 6. a group of eight musical notes.
  3. 9. to send or sell goods to another country.
Down
  1. 1. to look at something carefully to learn more about it.
  2. 2. to carry people or things from one place to another.
  3. 3. a shape with eight sides and eight corners.
  4. 4. an exchange where something is bought, sold or paid for.
  5. 7. a sea animal with eight arms, a soft body and no bones.
  6. 8. to make something longer or to make it last for longer.