Arup rhymes with:
alleyoop, boop, coop, coupe, croup, doupe, droop, drupe, dupe, goop, group, groupe, grupe, guadalupe, guadeloupe, hoop, houp, hupe, intergroup, knoop, koop, loop, loup, loupe, lupe, oop, poop, recoup, regroup, roop, roope, roupe, rupe, scoop, shoop, shoup, shoupe, shupe, sloop, snoop, soup, stoop, stoup, stroop, stroope, stroup, stroupe, swoop, swoope, throop, troop, troup, troupe, whoop
Arup sounds like:
airwave, arab, arabe, arabia, arabie, arapaho, arapahoe, arb, arba, arbo, arby, arp, arpa, arrive, arrupe, aruba, arva, arvay, arve, arvey