Yes it did. They were magnetic disks. And they were floppy. The outer case of a 3.5" was solid but just rip it open and you can see the disk itself is floppy.
Edit: oh right, you're talking about the different spellings. Those were entirely arbitrary. We mixed between the two.
Edit: oh right, you're talking about the different spellings. Those were entirely arbitrary. We mixed between the two.