Did you mean ciao?
ciao
interjection
°hello, hi (especially US), howdy (US).
°bye, goodbye.
synonyms: addio, adieu, adios, aloha more» , arrivederci, auf wiedersehen, au revoir, bye, bye-bye, cheerio, cheers, farewell, good-by, good-bye, goodbye, good day, sayonara, shalom, so long