First I just wanted to say that some words have accents but unfortunately I don't have them in my Laptop.

1. Spanish - Hola!

2. Arabic - as-salam 'alaykum!

3. Hindi - Namaste!

4. Bengali - assalamualaikum!

5. Portuguese - Ola!

6. Russian - Zdravztvujte!

7. Japanese - Konnichiwa!

8. German - Hallo!

9. Vietnamese - Chao Chi!

10. French - Bonjur!

11. Korean - Annyeonghaseyo!

12. Italian - Ciao!

13. Urdu - assalam 'alaykum!

14. Polish - Siemano!

15. Turkish - Merhaba!

16. Ukranian - Vitayu!

17. Farsi - dorood!

18. Filipino - Mabuhay!

19. Indonesian - Halo!

20. Dutch - Goededag!

21. Thai - sa-wat-dee!

22. Greek - ya sas!

23. Latin - Salve!

24. Hungarian - Szervus!

25. Finnish - Terve!

26. Swahili - Habari!

27. Czech - Ahoj!

28. Swedish - Halla!

29. Chinese - Ni hao!

30. Albanian - Pershendetje or Tungjatjeta.