ridg·y 
(rĭjē)
(rĭjē)adj. ridg·i·er, ridg·i·est
Having or forming ridges.
- extragalactic
- extrahepatic
- extra-high voltage
- extrajudicial
- extrajudicially
- extralegal
- extralegally
- extramarital
- extramundane
- extramural
- extraneous
- extraneously
- extraneousness
- extranet
- extranuclear
- extraocular muscle
- extraordinaire
- extraordinarily
- extraordinary
- extrapolate
- extrapolation
- extrapolative
- extrapolator
- extrapyramidal
- extrasensory