Rhedynog, a. abounding with fern
Rhedynos, n. small fern brake
Rhedd, n. a joint
Rhef, n. a bundle: a. bundled; thick
Rhefedd, n. thickness about
Rhefiad, n. a thickening
Rheflog, a. blubbering, puffy
Rhefog, n. a bandage, a band
Rhefol, a. thickening; aggregating
Rhefrog, a. large bottomed