difference between these words!

[kimiyagarrr]

hi i`m ali from iran its my first post. i`ve a question. what is the difference between buddy and dude. when can i use these words?

[Teia]

hi i`m ali from iran its my first post. i`ve a question. what is the difference between buddy and dude. when can i use these words?

Welcome!

Buddy is informally used and it means comrade or chum (often used as a term of address).

Dude is the slang term for fellow or chap.

dude - Definitions from Dictionary.com