relic or (archaic) relique /relˈik/

1. That which is left after loss or decay of the rest
2. A corpse (usu in pl; archaic)
3. Any personal memorial of a saint, held in reverence as an incentive to faith and piety (RC)
4. A souvenir
5. A memorial of antiquity or object of historic interest
6. Anything, such as a custom, that is a survival from the past

• reseal
• resealable
• resealed
• resealing
• reseals
• re-search
• research
• researchable
• research and development
• re-searched
• researched
• researcher
• researchers
• researches
• researchful
• re-searching
• researching
• re-searchs
• reseat
• reseated
• reseating
• reseats
• reseaux
• resect
• resected