| ghost(noun, worry, shade, concern, spirit) |
| bugbear(noun, worry, concern, problem, monster) |
| bogle(noun, spirit, soul, supernatural, monster) |
| phantom(noun, shade, spirit, soul, supernatural) |
| bogeyman(noun, spirit, soul, supernatural, monster) |
| bugaboo(noun, worry, concern, fear, problem) |
| bogy(noun, worry, concern, fear, problem) |
| specter(noun, worry, concern, spirit, fear) |
| apparition(noun, shade, spirit, soul, supernatural) |
| fear(noun, worry, concern, anxiety, problem) |
| goblin(noun, worry, concern, fear, monster) |
| hobgoblin(noun, worry, concern, fear, problem) |
| ogre(noun, worry, concern, fear, problem) |
| shade(noun, spirit, soul, supernatural, ghost) |
| spirit(noun, shade, soul, supernatural, monster) |
| bogie |
| spook(noun, informal, supernatural, ghost, beings) |
| wraith(noun, worry, shade, concern, spirit) |
| boogeyman(noun, worry, concern, fear, problem) |
| demon |