Foul-up and Slip up

Foul-up noun - An instance of confusion.

Slip up and foul-up are semantically related In some cases you can use "Slip up" instead a noun phrase "Foul-up".

Slip up verb - To make a mistake.

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