Phantasma and Wraith

Phantasma noun - Something existing in perception only.

Wraith and phantasma are semantically related in dream topic. In some cases you can use "Wraith" instead a noun "Phantasma", when it comes to topics like ghost, beings.

Wraith noun - A mental representation of some haunting experience.

Phantasma and wraith are semantically related in beings topic. You can use "Phantasma" instead a noun "Wraith".