And it was Madison in Federalist No. 10 that essential *INVENTED* the distinction between the two as propaganda. It is still propaganda, just of a different sort. (Well, maybe not that different, it is still the rulers trying to keep the rabble out of control.)
Modern political science distinguishes a republic as a nation without hereditary leadership (the UK is not a republic, the US is) where as democracy is nation where power derives from the action of the people by voting. (the UK is a democracy, the US is a democracy, North Korea isn't).
There are democratic monarchies and non-democratic republics. (For the latter, putting "democratic republic" is usually a give away that it is not democratic.)
