"says" vs "said"

The words "says" and "said" are forms of the verb "say."

Says - present tense, third person singular.
said - past and past participle form.

They are pronounced differently -
says - pronounced "sez"
said - pronounced "sed"

1. Do these two words have the same meaning?-- No; the first is present tense and the second is past tense.

2. Do these two words have the same sound?- No; they are pronounced /sez/ and /sed/.

That should clear it up, eh?

thanks for your help.
does it mean the sound of the 'say' and 'says' is the same?

No, it doesn`t. These two verbs are pronounced differently. Here is its transcription: says-[sez], say- [seI].

thank you very much