Question

which is the hardest word which we cant speak ever​

Answer 1

Otorhinolaryngologist.

Answer 2

Dᴏɴ'ᴛ ᴋɴᴏᴡ...............xᴅ

Ⓖ︎Ⓞ︎Ⓞ︎Ⓓ︎ Ⓐ︎Ⓕ︎Ⓣ︎Ⓔ︎Ⓡ︎Ⓝ︎Ⓞ︎Ⓞ︎Ⓝ︎.................

............................ᵐᵒᵒᵈ ᵒᶠᶠ............................

$\huge\mathfrak\red{thanks}$