It would be impossible to have upper case characters on any URL of the website. Words should be separated by hyphens - instead.
Use the usual gramatical ordering for action object pairs, e.g.:
  • new-discussion
  • edit-discussion
instead of:
  • discussion-new
  • discussion-edit
The latter is tempting to groupr all "Discussion" actions under a prefix, but let's use the nice grammar instead.