byes

As a verb bes

is third-person singular of be.

As an initialism BES

is n,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid.

As a noun byes is

plural of lang=en.

As nouns the difference between yes and byes

is that yes is an affirmative expression; an answer that shows agreement or acceptance while byes is .

As an interjection yes

is used to express pleasure, joy, or great excitement.

As a verb yes

is (colloquial|transitive) to agree with, to affirm, to approve.