Isaiah 19:18
“In that day shall five cities in the land of Egypt speak the language of Canaan, and swear to the Lord of hosts; one shall be called, The city of destruction.”
In that day shall Egypt be like unto women: and it shall be afraid and fear because of the shaking of the hand of the Lord of hosts, which he shaketh over it.
And the land of Judah shall be a terror unto Egypt, every one that maketh mention thereof shall be afraid in himself, because of the counsel of the Lord of hosts, which he hath determined against it.
In that day shall five cities in the land of Egypt speak the language of Canaan, and swear to the Lord of hosts; one shall be called, The city of destruction.
In that day shall there be an altar to the Lord in the midst of the land of Egypt, and a pillar at the border thereof to the Lord.
And it shall be for a sign and for a witness unto the Lord of hosts in the land of Egypt: for they shall cry unto the Lord because of the oppressors, and he shall send them a saviour, and a great one, and he shall deliver them.
Why This Verse Was Tagged
This verse contains specific terms directly associated with this theme.
This verse was identified by multiple independent signals: structural patterns, prophetic context, and vocabulary — then validated by a probability model (Snorkel).
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“For then will I turn to the people a pure language, that they may all call upon the name of the Lord, to serve him with one consent.”
“For then will I turn to the people a pure language, that they may all call upon the name of the Lord, to serve him with one consent.”
“In that day shall there be an altar to the Lord in the midst of the land of Egypt, and a pillar at the border thereof to the Lord.”
“And the whole earth was of one language, and of one speech.”
“I have sworn by myself, the word is gone out of my mouth in righteousness, and shall not return, That unto me every knee shall bow, every tongue shall swear.”