What is the crossword answer for the clue: Spooky sound

OOO - a 3 letter word may be the answer you are looking for!

MOAN - a 4 letter word may be the answer you are looking for!

CREAK - a 5 letter word may be the answer you are looking for!

BOO - a 3 letter word may be the answer you are looking for!

Spooky sound

3 Character Answers:

BOO

OOO

4 Character Answers:

MOAN

5 Character Answers:

CREAK