Wilkis rhymes with:
bacchus, bacus, bartkus, bilirakis, butkus, dacus, demarcus, dukakis, dukakis', firkus, fthenakis, funchess, hodgkiss, hotchkiss, karydakis, kochis, mitsotakis, moncus, norkus, papadakis, petkus, petrakis, psarouthakis, sarkis, vlahakis, wirkus
Wilkis sounds like:
wailes, wails, wala's, walas, walch, walck, walczak, walczyk, walek, wales, wales', walesa, walesa's, walicki, walk, walke, walkie, walko, walkowiak, walkowski, walks, walkway, walkways, wall's, wallace, wallace's, wallach, wallack, walles, wallich, wallich's, wallick, wallis, walloch, walls, wally's, walsh, walsh's, walski, walz, weil's, weill's, welch, welch's, welge, welk, welke, wellco, wellek, welles, welles', wellies, wells, wells's, welsch, welsh, welz, whale's, whales, wheeless, wheelis, wheelock, wheels, wheelus, wheless, whiles, wholes, wielgus, wil's, wilcock, wilcox, wilczak, wilczek, wilczewski, wiles, wiles's, wilgus, wilk, wilke, wilkes, wilkey, wilkie, wilkowski, wilks, will's, willcox, willes, willie's, willig, willis, willis's, willke, willkie, willock, willowes, willows, wills, willse, willsey, wilsey, wolak, wolk, wolke, wollack, wolsey, wolske, wolski, wolsky, wolz, woolco, woolcock, wools, woolsey, woolsey's, wyles