The word "hello" has no Z in it.
hello
Nah, the "z" isn't silent, because the vowel stress doesn't go in the next vowel after the z. If the word was "zdràveite", i.e. if the vowel stress gone into the first "a", then the z had to be silent. But since the word is "zdravèite" and the stress goes into the first e, the z is not silent. So, the word "zdraveite" is properly read as [zdra'vejte].
silent
The silent letter in the word "RENDEZVOUS" is the letter "Z." In French, the word "rendezvous" means a meeting or gathering, and the "Z" is silent in the pronunciation of the word. The silent "Z" is a common feature in French words borrowed into English, where the pronunciation has evolved but the spelling has remained intact.
"Hola" Silent "H"
Rendezvous
It would be "Hola chico" which means "Hello boy"
rendezvous
Dragon Ball Z - 1989 Silent Warrior - 4.36 was released on: USA: 19 October 2000
Dragon Ball Z - 1989 Silent Warrior 4-36 was released on: USA: 19 October 2000
Zdravstuitye - Здравствуйте (the 'v' is silent here) is used in formal situations. Privyet - привет is for informal situations.
Hola (silent H), hello.