Slip of the tongue and Uncouthness

Slip of the tongue noun - An accidental and usually trivial mistake in speaking.

Uncouthness and slip of the tongue are semantically related. In some cases you can use "Uncouthness" instead a noun phrase "Slip of the tongue".

Uncouthness noun - Inelegance by virtue of being an uncouth boor.

Slip of the tongue and uncouthness are semantically related. Sometimes you can use "Slip of the tongue" instead a noun "Uncouthness".