The most common and most likely answer to this crossword clue is the 5 plus 4 letter word BLACK SPOT
I've seen this crossword clue in The Guardian
B
L
A
C
K
S
P
O
T
More clues leading to the result BLACK SPOT
- Refuses to touch vessel in dangerous position
- Dangerous situation that frightened a buccaneer to death
- Supports including line linking cannabis with disease
- Boycott’s drug problem for climbers
- Fungal disease found in a dangerous place
- Rose’s disease in an area noted for trouble
- Hazard encountered when driving – replace ball here, making 7
- Under trade-union ban, see where accidents often occur
- Iffy place to drive, say, in front of bunker has no grass
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.