relic B2

/ˈɹɛlɪk/ An old object or custom that has survived from the past.

reliquary C2+

/ˈrɛlɪˌkwɛri/ a container or shrine in which sacred relics are kept

reliquiae C2+

/rɪˈlɪkwiˌi/ remains or remnants, especially fossil remains or relics