Doppelganger
Masan
apparition
appearance
astral
astral spirit
banshee
co-walker
control
departed spirit
disembodied spirit
double
doubleganger
duppy
dybbuk
eidolon
etheric double
fantasy
fetch
figure
form
ghost
grateful dead
guide
hant
haunt
idolum
image
immateriality
incorporeal
incorporeal being
incorporeity
larva
lemures
manes
materialization
oni
phantasm
phantasma
phantasmagoria
phantom
poltergeist
presence
revenant
shade
shadow
shape
shrouded spirit
water wraith
fantasm
dryad
figment
hobgoblin
specter
sprite
wisp