The word "specter" refers to a ghost or a scary figure that looms over someone. It can also mean a looming threat or fear that haunts someone. Full definition
As Churchill — heavy and shambling, sozzled with drink and haunted by specters of war — Gary Oldman gives one of those towering, transformative performances that often earn a raft of gold hardware. (vanityfair.com)
Yo - Kai Watch 2: Oni Evolution Update (Nintendo, Free)-- Fans of strangely spirited and charming troublemakers, take note: A new update for Yo - Kai Watch 2 is dropping today in anticipation of Psychic Specters» release later this month! (nintendowire.com)
But first it spooks us with specters of regression. (firstthings.com)