Multiplied Letters for Meaning — "Fawj", "Zumra", and "Afwaj"

The rhetorical principle:
Word choice in the Quran is not built on dictionary meaning alone — it includes: sonic weight, number of letters, heaviness or lightness of the word, and sensory connotations.

Comparison:

• "Fawj" (group/troop) (67:8): "Every time a group is cast into it" — a short compressed word that conveys sudden finality — like the sound of being hurled into fire. Only three letters.
• "Zumra" (company) (39:71-73): "Those who disbelieved are driven to Hell in companies" — the word has a sonic softness fitting an organized collective procession.
• "Afwaj" (groups) (78:18): "The day the Trumpet is blown and you come in crowds" — the plural of "fawj" — plurality multiplies the image of mass and succession.

Rhetorical principle:
Every word in the Quran is in its exact right place — it cannot be replaced by its synonym without loss of connotation. Ibn Al-Athir: "There is no word in the Quran that can be replaced by another word that fully carries its meaning."