User blog comment:Blood Reaper/Skyrim Update Coming soon/@comment-3502822-20111116181605/@comment-4224787-20111117180945

I thought I was having the same problem, but mine was just from not reading. Apparently, the game doesn't auto-unlock words as you get the souls to power them like I expected. You have to spend a dragon soul activating the word (on the PC, it's R. I don't know what the 360 button is). That'll teach me not to read.