Fail to notice and Slip-up

Slip-up and fail to notice are semantically related. In some cases you can replace phrase "Slip-up" with "Fail to notice", this phrases are similar.

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

Fail to notice and slip-up are semantically related. Sometimes you can use "Fail to notice" instead a verb phrase "Slip-up".