Arb rhymes with:
barb, barbe, farb, garb, garbe, harb, schlarb, zarb, absorb, aldicarb, barb, barbe, ebarb, farb, garb, garbe, goldfarb, golfarb, harb, himmelfarb, korb, moerbe, orb, reabsorb, rhubarb, schlarb, shorb, srinagarb, zarb, zerbe
Arb sounds like:
airwave, arab, arabe, arabia, arabie, arapaho, arapahoe, arba, arbo, arby, arp, arpa, arrive, arrupe, aruba, arup, arva, arvay, arve, arvey