Rhithedd, n. apparentness
Rhithiant, n. appearance
Rhithio, v. to appear, to seem
Rhithiol, a. appearing, apparent
Rhithiogaeth, a. appearance
Rhithiogi, v. to give appearance
Rhiw, n. a drift; a slope
Rho, n. what is put off; a gift
Rhoc, n. a rocking, a shake
Rhocas, n. a lad, a youth