Tongue twister and Tongue-twister

Tongue twister noun - An expression that is difficult to articulate clearly.

Tongue-twister and tongue twister are semantically related. In some cases you can use "Tongue-twister" instead a noun phrase "Tongue twister".

Tongue twister and tongue-twister are semantically related. Sometimes you can replace phrase "Tongue twister" with "Tongue-twister", this phrases are similar.