Say vs Sai - What's the difference?

say | sai |

As nouns the difference between say and sai

is that say is one's stated opinion or input into a discussion or decision while sai is a handheld weapon with three prongs, used in some Oriental martial arts.

As a verb say

is to pronounce.

As an adverb say

is Used to gain one's attention before making an inquiry or suggestion

As a conjunction say

is Used to introduce a hypothetical