One Language And One Tongue

Gen 11:1 There was a time when the entire earth spoke a common language with an identical vocabulary.
ISV

And all the earth had one language and one tongue
The Lord will give a language 1)Zep 3:9 For then I will give the people a clean language, so that they may all make prayer to the Lord and be his servants with one mind.
So we may pray to him and be his servants as one body
And worship him in spirit and in truth.

2)Gen 11:1 Toda la tierra hablaba la misma lengua y las mismas palabras. NBLH 3)Gen 11:1 Toute la terre avait une seule langue et les mêmes mots. FLS 4)Gen 11:1 En de ganse aarde was van enerlei spraak en enerlei woorden. DSV

References
1Zep 3:9 For then I will give the people a clean language, so that they may all make prayer to the Lord and be his servants with one mind.
2Gen 11:1 Toda la tierra hablaba la misma lengua y las mismas palabras. NBLH
3Gen 11:1 Toute la terre avait une seule langue et les mêmes mots. FLS
4Gen 11:1 En de ganse aarde was van enerlei spraak en enerlei woorden. DSV