cyma / sima [ˈsɑimə]
cyma – n. – 1. Architecture, an ogee moulding of a cornice; 2. cyme: an inflorescence in which the primary axis bears a single terminal flower that develops first, the system being continued by the axes of the 2nd higher orders each with a flower
sima – n. – basic, igneous rock whether solid or molten (compare sial)