Bilingual's Crossword

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Across
  1. 3. You can spot it outdoors [SPANISH]
  2. 9. Squared public [SPANISH]
  3. 10. Sym fake [GREEK]
  4. 12. Leader with an uncommon letter [RUSSIAN]
  5. 13. Two in 1909 [ITALIAN]
  6. 14. Math with letters [ARABIC]
  7. 16. Nothing at all [ARABIC]
  8. 17. Canned art [ITALIAN]
  9. 18. Packed back [GERMAN]
  10. 20. What we plan to do in the puzzle's description (if it had one) [FRENCH]
  11. 21. Flour bag, spelled wrong [FRENCH]
  12. 22. Exceptionally served [FRENCH]
Down
  1. 1. What's in your computer [LATIN]
  2. 2. Two of you (suspicious) [GERMAN]
  3. 4. A lot of snow [RUSSIAN]
  4. 5. Sing along [JAPANESE]
  5. 6. Bugs and insects after a week [GREEK]
  6. 7. Catch the wave [JAPANESE]
  7. 8. Throws plates in a mansion [GERMAN]
  8. 11. You can't possibly mean that [GREEK]
  9. 12. Diacritic restaurant [FRENCH]
  10. 15. Palindromic crescent boat [INUKTITUT]
  11. 19. Needed in a murder [LATIN]