Draconian :: Draconian (a.) Pertaining to Draco, a famous lawgiver of Athens, 621 b. c..
Draconic :: Draconic (a.) Relating to Draco, the Athenian lawgiver; or to the constellation Draco; or to dragon's blood..
Draconin :: Draconin (n.) A red resin forming the essential basis of dragon's blood; -- called also dracin.
Dracontic :: Dracontic (a.) Belonging to that space of time in which the moon performs one revolution, from ascending node to ascending node. See Dragon's head, under Dragon..