1. pertaining to night.   septic   oblique   iridescent   nocturnal   Hint Half-n-half Clue   2. pertaining to motion.   lateral   obtuse   kinetic   volatile   Half-n-half Clue   3. shining and shedding light.   saccharine   luminous   sidereal   iridescent   Half-n-half Clue   4. pertaining to sugar or sweet.   saccharine   saline   porous   seismic   Half-n-half Clue   5. pertaining to disease.   pathological   kinetic   thermal   visceral   Half-n-half Clue   6. exact or accurate.   precise   opalescent   mnemonic   nocturnal   Half-n-half Clue   7. having the nature of wood.   terrestrial   ligneous   vitreous   pathological   Half-n-half Clue