"Ahoj" and "Ahoj" again, if you know the person well. "Dobrý den" and "Nashledanou" is more polite, if you don't know the person well.
Hello- Hello Goodbye- Bye or Paalam
salve=hello vale=goodbye
Hello - Talofa Goodbye - Tofa Soifua
Hello = Hola Goodbye = Adiós
Olá - Hello Adeusinho - Goodbye
Jambo is hello and Kwahari is goodbye
Hello = Hola Goodbye = Adiós
Hello : Nomoskaar Goodbye : Bidai
To say Hello is Ni hao And to say goodbye is Zai jian
to say "hello" you say "talofa" and to say goodbye you say "Fa".
hello-hujambo 2:goodbye-kwaheri
In Prague they speak Czech and Czech for hello is ahoj.