1. marked with ridges or parallel grooves on surface.   stagnant   unique   rigid   striated   Hint Half-n-half Clue   2. hidden potential, not manifest.   ligneous   latent   striated   permeable   Half-n-half Clue   3. pertaining to the lungs.   mnemonic   somatic   pulmonary   stagnant   Half-n-half Clue   4. slanting or indirect.   tertiary   oblique   negligible   toxic   Half-n-half Clue   5. permeable or having pores.   tautological   porous   vitreous   tactile   Half-n-half Clue   6. pertaining to the abdomen.   ventral   seismic   tautological   turbid   Half-n-half Clue   7. capable of being shaped by hammering or pliable.   quiescent   resilient   resonant   malleable   Half-n-half Clue