Hello everyone :)
Can you please help me out how to say "to say smt by mistake"

Can I say?
He misspoke when he called her by a different name.

Or maybe there is another expression?

Question

Hello everyone :)
Can you please help me out how to say "to say smt by mistake"

Can I say?
He misspoke when he called her by a different name.

Or maybe there is another expression?

Answer

Colloquially, you could say  ‘he slipped up’,  or more formally  ‘he was mistaken’ ;   ‘mis-spoke’  is not a word we would use.

Answer

Hey Ivona

“Misspoke” is the correct term to use there!