Alternative letter-case form of demon (“card game”)

An evil supernatural spirit, often associated with hell, that can also refer to a false god, a wicked person, a source of great evil, or a person's fears or anxieties.

A noun "demon" represents a neutral supernatural spirit, a person's inner spirit or genius, a tutelary deity or spirit in greek mythology, a non-christian deity or supernatural being, and a hypothetical entity in philosophy or physics.

Someone with great strength, passion or skill for a particular activity, pursuit etc.; an enthusiast.

(card games) A type of patience or solitaire (card game) played in the UK and/or US.

Any of various hesperiid butterflies of the genera Notocrypta and Udaspes.

(physics) Acronym of distinct electron motion particle: A quasiparticle, a type of massless neutral electron excitation associated with superconductivity.