Which is more eloquent in the breadth of its scope: the word "kabeer" (great/big) or the word "katheer" (much/many)?

"Katheer" (كثير) is used to express a large number, such as "many men" (رجال كثير). As for "Kabeer" (كبير), it is used to express large size, meaning, or status, such as "Grievous is the word that comes out of their mouths" (كبرت كلمة تخرج من أفواههم). Both words convey a different meaning from each other.