Warthen rhymes with:
anthon, blethen, bothun, brethen, cauthen, cauthon, cawthon, donathan, dothan, earthen, elizabethan, ethan, johnathan, johnathon, jonathan, jonathon, jonothan, kathan, lathan, lathon, laythan, lecithin, lengthen, leviathan, louthan, mathan, mcclenathan, mcglothen, mcglothin, mckeithan, mckeithen, mckethan, midthun, mithun, mothon, nathan, pathan, ramthun, snethen, strengthen, swaminathan, trefethen, trevathan, wathen, witthuhn, worthen
Warthen sounds like:
warden, wartime, wartman, warton, weirton, werden, wertheim, wertman, wharton, whorton, wierdin, wirtanen, worden, wortham, worthen, worthman, wortman, wortmann, worton, writedown, written, wroten, wurdeman, wurtman