The word "tongue" has many synonyms that can be used in various contexts and situations. One of the most common synonyms is "speech," which refers to the ability to communicate and express oneself through language. Other synonyms include "vernacular," which can describe a specific language or dialect, and "voice," which can refer to the sound produced by speaking.
"Tongue" can also be replaced by more colloquial terms like "chops" or "yapper," both of which suggest a more informal, conversational tone. "Patois" is another synonym that specifically refers to a regional or cultural way of speaking.
Finally, "tongue" can be used in a more literal sense to describe the actual physical organ, and synonyms for this meaning include "glossa," "lingua," and "tonglet".