| Answer | Crossword Clue |
|---|---|
| SCARY | Like a nightmare |
| RECUR | Come again, like a nightmare |
| nightmarish | like a nightmare also NIGHTMARY |
| nightmary | like a nightmare also NIGHTMARISH |
| nightmarishly | NIGHTMARISH, like a nightmare also NIGHTMARY |
| nightmarishness | NIGHTMARISH, like a nightmare also NIGHTMARY |
| incubi | something that weighs upon or oppresses one like a nightmare |
| incubus | something that weighs upon or oppresses one like a nightmare |
