bugaboos

/B AH1 G AH0 B UW0 Z/
noun
  1. 1

    A mythical, nocturnal creature; a hobgoblin.

  2. 2

    Any imagined fear or threat, or a fear presumed larger than it really is.

Synonyms

Source: https://en.wiktionary.org/wiki/bug-a-boo, https://en.wiktionary.org/wiki/bugaboo, https://en.wiktionary.org/wiki/bugaboos