ok hear me out, I have a good canon reason for this pronunciation
ffvii spoilers:
Cait Sith is a robot. The guy who made this robot is dumb and doesnt know how Gaelic words are pronounced. Its Reevess fault.
later in the game the party will meet a dude with a Scottish accent whos like hey why are you pronouncing this cats name wrong?
For your
Azuarc
.
At least Kupo has class and doesn't MESSAGE the people
-Dr Pizza