Concavity :: Concavity (n.) A concave surface, or the space bounded by it; the state of being concave..
Indicavit :: Indicavit (n.) A writ of prohibition against proceeding in the spiritual court in certain cases, when the suit belongs to the common-law courts..
Peccavi :: Peccavi () I have sinned; -- used colloquially to express confession or acknowledgment of an offense.