Then you have Welsh where a lot of things are double affirmed in sentences removing ambiguity. even for the word yes you conjugate your reply as it depending on the quesrion they asked you.

Wyt. (Yes, you are. when asked as Am I?)

Ydw. (Yes, I am.)

Ydy. (Yes, he is.)

Ydy. (Yes, she is.)

Ydych. (Yes, you are. when asked as are We?)

Ydyn. (Yes, we are.)

Ydyn. (Yes, they are.)