Orinthia \o-rin-thia, or(i)-nthia\ as a girl's name. Feminine form of Oren (Hebrew) "pine tree" or (Irish, Gaelic) "fair, pale".
Orinthia has 4 variant forms: Orenthia, Orna, Ornina and Orrinthia.
Baby names that sound like Orinthia are Orinda, Arantxa and Ornetta.