What is the two most confusing word in World?

There's no single answer to the question of the "most confusing word in the world" because confusion is subjective and depends on a person's language, cultural background, and individual experiences.

However, some words often cited as being confusing are:

* "That": It can function as an adjective, pronoun, adverb, or conjunction, making it tricky to understand in different contexts.

* "There": This word is often confused with "their" and "they're," especially in written English.

Ultimately, the most confusing word for you might be one you don't fully understand or one that has multiple meanings that you find hard to distinguish.