There is an MMO Graveyard:
I have never heard of any of those.
Because the majority of them never took off. You only hear about the MMOs that are actually popular enough for some people to play.
I know that Fantasy Earth: Zero was originally Fantasy Earth: The Ring of Dominion, Square Enix's second MMORPG attempt after FFXI. It did poorly and was picked up by another publisher less than a year after it was released.