what is the difference between 'сам' and 'самый'?
what is the difference between 'сам' and 'самый'?

how can i know when to use one or another?

Question

what is the difference between 'сам' and 'самый'?
what is the difference between 'сам' and 'самый'?

how can i know when to use one or another?

Answer

Сам - by myself.  Я сделаю это сам. I will do it by myself.
Самый - the most. Самый красивый - the most beautiful.

Answer

спасибо за ответ!

Answer

Сам - это местоимение (pronoun).
Самый - прилагательное (adjective).