Regreet vs Begreet - What's the difference?

regreet | begreet |

As verbs the difference between regreet and begreet

is that regreet is to greet again; to return a salutation to; to greet while begreet is to give or send greetings to; hail; salute; greet; acknowledge by greeting.

As a noun regreet

is a return or exchange of salutations.