Slip-up and Simple-mindedness

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

Simple-mindedness and slip-up are semantically related in mistake topic. In some cases you can use "Simple-mindedness" instead a noun phrase "Slip-up".

Slip-up and simple-mindedness are semantically related in mistake topic. Sometimes you can use "Slip-up" instead a noun phrase "Simple-mindedness".