Itches rhymes with:
britches, ditches, riches, switches, witches, agache's, agaches, aldrich's, approaches, arches, backstitches, batches, beach's, beaches, blotches, blowtorches, branches, britches, bunches, catches, church's, churches, clenches, clinches, clutches, ditches, drenches, gerchas, impeaches, inches, inches', latches, launches, matches, matsch's, mevarach's, mevarachs, nevarach's, notches, patches, peaches, porches, pouches, quenches, ranches, reaches, riches, scratches, sketches, speeches, stretches, swatches, switches, teaches, touches, watches, witches
Itches sounds like:
idaho's, idea's, ideas, idec, idiocy, idiotic, idiots, iodice, iodide's, iodides, it's, itasca, itch, itchy, itek, ithaca, ithaca's, ito's, itochu, its, itsy, itzhak