Many khuks have straight sections after the bend that are as long or longer than most bowie edges and can do draw knife chores just fine, so it really depends on the design, of which there are many. For that matter, some bowies have big, wide full-flat ground blades excellent for utility, and others have narrow blades, or narrow with a deep hollow grind really specialized for fighting, and on and on and on.
Between them, almost any khukuri design is going to be reasonably adept at chopping, whereas only some bowie setups are suited for it. Bowies, for the most part, will be lighter than an equivalent khukuri, and so would be my preference in a fight ("preference" in that my legs have already been crushed by a steam roller, making running like hell impossible).
Either one beats the hell out of nothing, neither beats a skinning knife at skinning, a fillet knife at filleting, or a plane at planing, but both can do these things in a pinch. I used a small HI 15" AK to skin a deer a few years ago just for the hell of it. When my usual group goes hunting, I ALWAYS get stuck with cleaning the things up, so I make my own fun.

Anyway, it was awkward and tiring, and would have done much better had I profiled the belly ahead of time with slicing in mind. It did work, though, and the wide, not very point tip helped make sure I didn't poke through the hide. I'd almost thrown one of the 18" versions into the truck instead of the little guy, and if I had I doubt I would have tried it.