Ghostly sound effect (4)
I believe the answer is:
moan
(Other definitions for moan that I've seen before include "Complain, groan" , "Whinge" , "Complain, grumble" , "Lament; grumble" , "Murmur of pain; grumble" .)
I believe the answer is:
moan
(Other definitions for moan that I've seen before include "Complain, groan" , "Whinge" , "Complain, grumble" , "Lament; grumble" , "Murmur of pain; grumble" .)