Avidity :: Avidity (n.) Greediness; strong appetite; eagerness; intenseness of desire; as, to eat with avidity..
Davidic :: Davidic (a.) Of or pertaining to David, the king and psalmist of Israel, or to his family..
Dravidian :: Dravidian (a.) Of or pertaining to the Dravida.
Gravidity :: Gravidity (n.) The state of being gravidated; pregnancy.