how to spell/say sydney in french or german.?

Answer 1

As Sydney is a name of a person, we don´t change ist.
If your name is Sydney, we will call you Sydney too.

If you want to spell ist in German you spell it: "es" "ypsilon" "de" "en" "e" "ypsilon".
Please remember, that the German "e" is not prononced the same way like the English "e". The german "e" is pronounced like the french "é".

Answer 2

Sidney is a french name, derivative of Saint Denis.
(in french it would be pronounced Seed-nay).
There are different spellings and variants:
Cydney, Syd, Sid, Sidon, Sidony, Sidonio (spanish), Sydney, Sydny. Sydnee, Sydne.
It could also mean native of Sidon (ancient name of Beirut in Lebanon)

Answer 3

Generally, proper names are spelled the same way in other languages, although the pronunciation may be a bit different. For example, Paris is pronounced "pa-ree" in French, because the final "s" is silent in French and the "i" is pronounced like the "i" in magazine. Since "y" is pronounced like the "i" in French, your name would be spelled the same way, but pronounced "seed-nee."