This wording has bothered me for awhile-

Incapacitation is an effect that FFXIV has created to determine when a monster's body part has been compromised by dealing a sufficient amount of damage, via specific weapon skills. The result is 1: A weakened monster, and 2: a modified loot table.

"Flashfreeze causes the effect of Incapacitate" is something quite different. Yes, it causes certain monsters some disability, but it in no way modifies the loot table as the other counterparts do. This "alike terminology" can cause a good deal of confusion.

My suggestion: use some wordage from a previous FF title to differentiate the two.

My example would be:
"Flashfreeze causes the effect of Stagger"

In this case, it is still going to imply the monster is weakened, without including the expectation of a modified loot table.

As another person mentioned, it is ambiguous and confusing, like "Sentinel" the class versus "Sentinel" the Gladiator's ability.