"words" (דברים) and "meaningless words" (הבלים) are mentioned twice in the verse, indicating that the people spoke both meaningful and meaningless words.

שפה אחת, "one language", in Gematria [this corresponds to] לשון הקדש "the holy tongue" [= Hebrew]. [the value of שפה אחת is 794, that of לשון הקדש is 795, which is 794 plus 1 added for its totality]

occurs 2 times in the Tanakh as follows: "When they traveled from the camp, our rabbi, may his memory be blessed, explained thus: 'That day they turned away from God.' It is equivalent to this saying: "a child who runs away from scriptures." This means that when they traveled east, they were moving away from "the beginning of the world," the place where "God originally created the world."

איש אל רעהו הבה "Man, come to his neighbor." "A Torah scroll that is incomplete [missing letters] should be set aside in order to promote peace, because of the great peace that would result from correcting it."

לאבן "Into Stone" Appears 2 times in Tanakh"And his heart died within him, and he turned into a stone. Regarding the incident of Nabal (in 1 Samuel 25), just as there it says "death," so too here it means death. But in this case, it was a death that was even harder for them than death itself, when the moon fell from the tower (of Babel)."

"And they scattered" [Genesis 11:8] in the Masorah here and there: "And the people scattered throughout the land of Egypt." "And the people scattered from him" [1 Samuel 13:11], and our Sages of blessed memory said that the people of the Tower and the people of Egypt were both deserving of punishment, and some were scattered from the Tower and some from Egypt, and this is the meaning of "and the people scattered from him."...

ויחדלו "Vay'chadaloo" (And they ceased) - In the second explanation, "And they ceased" refers to the voices and hail. This teaches that even they (the Egyptians) were punished with the voices and hail.

שנתים אחר "Shnayim Achar" in Sefer Smichut, here and there: "Two years after the noise". Meaning two years before the earthquake. Just as there was a great noise during the flood [in the time of Noah], there was also a great noise before the earthquake.

שרה "Sarah" in the Aleph Bet Shin Bet Shin Bet Gematria. This is a hint to what our sages said, "This "Yiskah" is Sarah."