Are there any legal issues with re-hashing stuff from World of Dungeons into an OGL game?

Are there any legal issues with re-hashing stuff from World of Dungeons into an OGL game?

Are there any legal issues with re-hashing stuff from World of Dungeons into an OGL game? I know WoDu is licensed under the Creative Commons license… but really have no idea what that means. Are there any kind souls of the independent publisher bending that could spare me a couple pennies?

Please forgive me if I’ve already asked this one.

Please forgive me if I’ve already asked this one.

Please forgive me if I’ve already asked this one. What are the main differences between Dungeon World, Dungeon World Hack, and World of Dungeons?

Which of these is the easiest to hack into something like Carcosa. And, which of of these is the easiest to teach to new players coming from an OSR/D20 background.

Much thanks in advance.