What's the difference between a ghoul and a goblin?

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What's the difference between a ghoul and a goblin?

The Answer:

Ghouls are the more disgusting of the two. They were evil spirits who robbed graves to eat the dead. (This was before fast food hamburgers). The 19th century low-life grave robbers who provided doctors with fresh corpses on which to experiment were also called ghouls.

Goblins were frightfully ugly sprites who could be bad as bad can be, but sometimes were merely mischievous. The latter were often called hobgoblins. Some goblins were also said to come with old houses (and you thought crabgrass was a problem!).