(using a hard 'Z' like "zebra"): This is incorrect, as there is no vibrating 'Z' sound in the original Tamil word.
The in Tamil (ழ) does not exist in standard English. It's a unique retroflex sound. Here's how to make it: suzhal pronunciation
Here’s a helpful breakdown of the pronunciation of (the Tamil word/name meaning "whirlpool" or "current," also known as the Amazon Prime series Suzhal: The Vortex ). (using a hard 'Z' like "zebra"): This is