Facilities in Shinto shrines for enshrining the spirits of deceased ancestors are identified with a sign saying 祖霊社 (the reading for which is "soreisha", meaning ancestral shrine) rather than 祖霊舎 (the reading for which is also "soreisha", meaning ancestral altar).
神社の中にある祖先の霊を祀る施設は祖霊社と表記して区別する。