Namibian rhymes with:
amphibian, caribbean, gibian, libyan, albion, amphibian, arabian, barbian, caribbean, cobian, colombian, columbian, fabian, faubion, gibian, grobian, kasabian, lesbian, libyan, mehrabian, nubian, serbian, symbion, zambian
Namibian sounds like:
navin, nevin, new-haven, niobium, nipon, nippon, niven, nonwoven, novum, nubian, nuveen, nvhome