spook

"The old house is said to be haunted by a spook."

"Children love to hear stories about spooky spooks on Halloween."

"He dressed up as a spook for the costume party."

"The sudden noise spooked the cat."

"She didn't mean to spook her friend with her ghostly tale."

"The movie was so suspenseful that it spooked the audience."

"The spook atmosphere of the abandoned shack sent chills down my spine."

"They decorated their house with spook decorations for Halloween."

"The forest had a spook feel to it at night, with shadows lurking everywhere."