* Logorrhea: This word literally means "flow of words", but it can also refer to a rapid and often incoherent speech, which tongue twisters can induce.
* Verbal gymnastics: This emphasizes the skill and dexterity required to say a tongue twister correctly.
* Articulation exercise: This highlights the practical function of tongue twisters in improving speech clarity.
* Word play: This is a more general term, but it captures the playful and entertaining nature of tongue twisters.
* Phonological puzzle: This emphasizes the linguistic aspect of tongue twisters, as they often involve challenging sounds and patterns.
* Speech impediment tester: This is a bit more informal, but it highlights the way tongue twisters can expose difficulties with pronunciation.
* Limerick: While not strictly a synonym, limericks often contain tongue twister-like phrases and can be challenging to recite quickly.
The best alternative depends on the specific context in which you want to use it.