𝕮𝖗𝖔𝖎𝖘𝖘𝖆𝖓𝖙

Quackson

And here's a nice demonstration from
Mr. Frogface on how to pronounce this marvelous word —> 𝒞𝓇𝑜𝒾𝓈𝓈𝒶𝓃𝓉
(In Song to learn it easier)