Freudian slip and Slip-up

Freudian slip noun - A slip-up that (according to Sigmund Freud) results from the operation of unconscious wishes or conflicts and can reveal unconscious processes in normal healthy individuals.

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

Slip-up noun - A minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc..

Freudian slip and slip-up are semantically related. Sometimes you can replace phrase "Freudian slip" with "Slip-up", this phrases are similar.