phantasm (n.)
- apparition
- appearance
- banshee
- befooling
- brainchild
- bubble
- chimera
- circumvention
- control
- deception
- deceptiveness
- delirium
- delusion
- dupery
- dybbuk
- entanglement
- entrapment
- fallaciousness
- fallacy
- falseness
- fancy
- fantasy
- fiction
- figment
- figure
- flimflam
- fooling
- form
- ghost
- guide
- hallucination
- hant
- haunt
- illusion
- image
- imagery
- imagination
- immateriality
- invention
- larva
- maggot
- make-believe
- manes
- materialization
- mirage
- myth
- oni
- phantasma
- phantasmagoria
- phantom
- poltergeist
- presence
- revenant
- romance
- self-deception
- shade
- shadow
- shape
- specter
- spirit
- spook
- sprite
- subterfuge
- theophany
- trickiness
- trip
- vapor
- victimization
- vision
- whim
- whimsy
- wraith
- zombie