Slip of the tongue and Slip up

Slip of the tongue noun - An accidental and usually trivial mistake in speaking.

Slip up and slip of the tongue are semantically related In some cases you can replace term "Slip up" with "Slip of the tongue", this terms are similar.

Slip up verb - To make a mistake.

Slip of the tongue and slip up are semantically related in error topic. Sometimes you can use "Slip of the tongue" instead a noun "Slip up", if it concerns topics such as mistake.