Tappan rhymes with:
tappen, happen, lappen, tappen, alagappan, aspen, campen, capen, cheapen, compean, copen, crippen, crispen, dampen, deepen, deppen, eappen, flippen, happen, hempen, hippen, kampen, karpen, kempen, koeppen, koppen, lappen, lupin, mcalpin, misshapen, open, phippen, pippen, poppen, reopen, ripen, rippon, saipan, sharpen, stepan, supan, tappen, tarpon, thigpen, thomspon, tippen, turpen, vancampen, vankampen, weapon, yaupon, zupan
Tappan sounds like:
t-bone, tabone, tappen, tappin, taubman, tavano, tebben, theophania, tiffany, tiffin, tippen, tippin, toben, tobin, toibin, toivonen, toobin, topham, toppin, toupin, towbin, tubman, tufano, typhoon