calla /kalˈə/

1. A poisonous marsh plant (Calla palustris) of the family Araceae
2. (also calla lily) any African lily of the genus Zantedeschia having showy brightly-coloured flowers

• serum globulin
• serum globulins
• serum hepatitis
• serums
• serum sickness
• serum therapies
• serum therapy
• serval
• servals
• servant
• servanted
• servant-girl
• servant-girls
• servanting
• servant-lass
• servant-lasses
• servantless
• servant-maid
• servant-maids
• servant-man
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• servantries
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• servants
• servants' hall