Rosecrans rhymes with:
rosenkrans, caltrans, intertrans, rosenkrans, afghanistan's, afghanistans, afghans, alcan's, bedpans, businessman's, c-span's, caftans, callahan's, caltrans, caravans, goodman's, greenspan's, intertrans, lifespans, lumberman's, meehans, pakistan's, rosenkrans, stockman's, tajikistan's, taliban's, talibans, tarzan's
Rosecrans sounds like:
reassurance, reassurances, reassuring, recurrence, recurring, rejiggering, requiring, rogernomics, rosekrans