Merhaba - Turkish

Privet! - in Russian
Salut! - in Romanian
Noroc! - in Romanian

Merhaba - Turkish
Privet! Salut! Noroc - Romanian
good job

Ok then
Merhaba - Turkish
Privet! - Russian
Salut! Noroc - Romanian

γεια χαρά (ya hara) - hi
or
καλημέρα(kalimera) - good morning

from Greece

cantonese.......你好(sounds like: nei hou)
mandarin.......the same written words你好 (but different pronounciation: ni hao)
interesting~

CZEŚĆ-in polish language

Bonjour - French
Bonjourno - Italian
Güten Morgan - German
Buenos Dias - Spanish

Like the Chinese ones - the on of only two words I can speak in Chinese (Ni How) and Thankyou - (shi shi) oh I forgot (champay) like bottoms up, cheers, with a drink, you finish it in on go.

In albanian language here are some greetings:

Miremengjes-Good Morning

Tungjatjeta-I wish you a long life(the exact translation) or Hello

Mirupafshim-Good bye

Naten e mire-Good night

Diten e mire-Good day