13 “Be careful to do everything I have said to you. Do not invoke the names of other gods; do not let them be heard on your lips.

Read Exodus 23:13 Using Other Translations

And in all things that I have said unto you be circumspect: and make no mention of the name of other gods, neither let it be heard out of thy mouth.
"Pay attention to all that I have said to you, and make no mention of the names of other gods, nor let it be heard on your lips.
“Pay close attention to all my instructions. You must not call on the name of any other gods. Do not even speak their names.