Mcarthur rhymes with:
macarthur, macarthur, macarthur, arthur, macarthur, port-arthur, arthur, macarthur, port-arthur, altherr, arthur, auther, author, coauthor, ether, gaither, guenther, gunther, luther, macarthur, mahathir, mathur, panther, port-arthur, rother, ruether, ruther, sathre, uther, walther, winterthur, winther
Mcarthur sounds like:
macarthur, magruder, mcartor, mccarter, mcgruder, mcwherter, mcwhirter, mcwhorter, migratory