auroral chorus n.— «The sounds are as mysterious as the lights themselves. Some are downright eerie, like Halloween ghost-sound-effects tapes. Others are almost familiar and comforting, similar, in fact, to the chirps of crickets or frogs...
roadwitch n.— «Ted Dewan…has come up with the idea of “folk traffic calming.” This is where art installations meet road safety, a kind of sleeping policeman that’s been influenced by Damien Hirst. These type of...
spook-tacular
suffix— «Sabrina’s Halloween Spook-tacular.» —“CBG Price Guide: threat or menace” by Jol Silversmith Usenet: rec.arts.comics.misc Aug. 3, 1995. (source: Double-Tongued Dictionary)

