Pussy and Slip-up

Pussy noun - A small domestic animal known for catching mice.

Slip-up and pussy are semantically related. In some cases you can use "Slip-up" instead a noun "Pussy".

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

Pussy and slip-up are semantically related. Sometimes you can use "Pussy" instead a noun phrase "Slip-up".