ri·par·i·an 
(rĭ-pârē-ən)
(rĭ-pârē-ən)adj.
Of, on, or relating to the banks of a natural course of water.
[From Latin rīpārius, from rīpa, bank.]
- extortion
- extortionary
- extortionate
- extortionately
- extortioner
- extortionist
- extortive
- extra
- extra-
- extra-base hit
- extracellular
- extracellularly
- extrachromosomal
- extracode
- extraconstitutional
- extracorporeal
- extracorporeally
- extracranial
- extract
- extractable
- extractible
- extraction
- extractive
- extractively
- extractor