serdab /sər-däbˈ/

1. An underground chamber
2. A secret chamber in an ancient Egyptian tomb

• raters
• rates
• rates of exchange
• rate support grant
• rate support grants
• rate tart
• rate tarts
• ratfink
• ratfinks
• ratfish
• ratfishes
• rat-flea
• rat-fleas
• rat-guard
• rat-guards
• rath
• ratha
• rathas
• rathe
• rather
• ratherest
• ratheripe
• ratheripes
• ratherish
• rather than otherwise