spook (n.)
- affright
- agent
- alarm
- apparition
- appearance
- awe
- banshee
- bogey
- bug
- case
- character
- control
- disquiet
- duck
- dybbuk
- form
- fright
- funk
- ghost
- guide
- hant
- haunt
- immateriality
- larva
- manes
- materialization
- oddball
- oddity
- oni
- original
- phantasm
- phantasma
- phantom
- poltergeist
- presence
- quiz
- revenant
- scare
- shade
- shadow
- shake
- shape
- specter
- spirit
- sprite
- spy
- stagger
- startle
- theophany
- throw
- trouble
- unman
- upset
- vision
- wraith
- zombie
spook (v.)
- affright
- agitate
- alarm
- awe
- bogey
- bug
- case
- character
- control
- convulse
- discompose
- disquiet
- distract
- disturb
- duck
- embroil
- form
- fright
- frighten
- funk
- ghost
- guide
- hant
- haunt
- horripilate
- obsess
- perturb
- possess
- quiz
- scare
- shade
- shadow
- shake
- shape
- spirit
- spy
- stagger
- startle
- terrify
- terrorize
- throw
- trouble
- unman
- unnerve
- unsettle
- unstring
- upset
- vision
