Hello and Good-bye

American Sign Language:
Hello. http://commtechlab.msu.edu/sites/aslweb/H/W1606.htm
Good-bye. http://commtechlab.msu.edu/sites/aslweb/G/W1477.htm

English:
Hello.
Good-bye.

French:
Bonjour.
Au revoir.

Italian:
Buon giorno.
Ciao.

Spanish:
Hola.
Adiós.

Swahili:
Jambo.
Kwa heri. (said to one person)
Kwaherini. (said to more than one person)


For other greetings (both formal and informal) in more than 800 languages, please visit this site: http://www.elite.net/~runner/jennifers/hello.htm

For other salutations (both formal and informal) in over 450 languages, please visit this site: http://www.elite.net/~runner/jennifers/goodbye.htm