Suffix: -ous / -ious Meaning: full of, having the quality of, or characterized by

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Across
  1. 2. difficult to understand or explain
  2. 3. careful to avoid danger or mistakes
  3. 7. willing to give or share with others
  4. 8. feeling upset when someone else has what you want
  5. 9. important or not joking
Down
  1. 1. feeling worried or afraid about something
  2. 3. eager to learn or know about something
  3. 4. kind and polite toward others
  4. 5. likely to cause harm or injury
  5. 6. known by many people