Humm...
I don't do copper plated, so I will only babble about bullet shapes.
RN - round nose - Most of these are not truly round but with a rounded end. They feed well in most auto loaders, easier to stuff into a cylinder, that is good. Questionable if they shoot better or worse than other shapes, neutral. Pass in to and out of tissue, leaving less tissue disruption, not good if the bad guy is coming for you. Over all - good practice bullets.
FP - flat point - This is basically a 'round' nose with a flat point, the metaplate. For the most part about the same as the round nose, marginally better in tissue.
HP - hollow point - The same as the flat point only with a hole in the metaplate. All the same as the round nose and flat point except (hopefully) tissue is grabbed and ripped along with the bullet. Getting better as we move down the list.
WC - wad cutter - Does not feed well in most auto loaders, slow to stuff into a cylinder. Cuts nice clean holes in paper for scoring. Grabs clothing and hide as it passes into tissue.
SWC - semi wad cutter - A compromise between the wad cutter and the others. Feeds well in most newer auto loaders, easy to stuff into a cylinder. Grabs clothing and tissue well.
Moving from lead to jacketed, the same apply with the jacketed bullets. The big exception being jacketed bullets can be pushed a lot faster in most cases (don't jump me, I push hard 44s as fast as jacketed 44s). I don't know of any jacketed wad cutters and of the 100s of thousands of those nasty 38 wad cutters I shot as a COP, they all were too soft of lead. Jacketed bullets are not grease, so much less smoke from the burning off of the lube. Look at the new polyester coated bullets, push as fast as jacketed and no lube to smoke/gum up. Or try the plated ones.
If all you are going to do is practice, nice lead SWC or cone shaped bullets will work.
Load with care,