Ghosts

Ghost stands for:

Spirit beings , immaterial or subtle beings
Geister (Roman) (orig.Ghosts ) , novel by Thomas von Steinaecker, 1993
Ghosts (game) , board game
Hospital of the Spirits , TV miniseries by Lars von Trier, 1994–1997
Faddejew-Popow spirits , spirit fields, a computational variable in quantum field theory

Geister is the family name of the following people:

Erich Geister (1921–1995), German set designer
Hans Geister (1928–2012), German athlete
Paul Geister (1874–1950), German lawyer and senator from the Hanseatic city of Lübeck

See also:

Wiktionary: Ghosts - explanations of meanings, word origins, synonyms, translations