I’ve defaulted to buck-eez for pronunciation, as well.
But if it has a Louisiana origin.. could be like
Bouchè ‘ s
When I lived in Shreveport I would would ask random people what a "geaux tigers" means but I would say it like "ghee-axe" and I would also bring up the catch from time to time. Back in aughts I had to do a lot of trolling in person to get my fill.