Faux pas and Slip-up

Faux pas noun - A socially improper or unsuitable act or remark.

Slip-up and faux pas are semantically related in boob topic. In some cases you can use "Slip-up" instead a noun phrase "Faux pas". informal substitute

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

Faux pas and slip-up are semantically related in mistake topic. You can use "Faux pas" instead a noun phrase "Slip-up".