dadah, selamat jalan, selamat tinggal are common to use. But sometimes it's dadah (informal).
Bye
it means bye as in see you later
sayonara!!!
arrivederci
"Bye-bye," "Hello-hello," and "Ta-ta" are English equivalents of the Italian phrase Ciao Ciao! The greeting in question most frequently is heard as one word to be translated into English as "Bye," "Goodbye," "Hello" or "Hi" according to context. The pronunciation will be "tchow tchow" in Italian.
The word for 'hi' in Italian is 'ciao' and is commonly used in English too. In Italian 'ciao' can mean 'hi' and 'bye.
you can just say bai bai, or sayonnara, or matta ashita (till tomorrow)
sayoonara
"Goodbye!" is an English equivalent of the Spanish word ¡Adiós! It translates literally as "To God!" in English. The pronunciation will be "a-THYOS" in Uruguayan Spanish.
"Beddy-bye" is an English equivalent of the Italian word nanna.Specifically, the word functions as a feminine noun. It is used with children regarding bedtime. The pronunciation will be "NAN-na" in Italian.
Ciao (Cha-ow)
The translation for the English word bye into the Igbo language is nọọ.