Patchin rhymes with:
machin, bastian, bostian, chechen, cochin, cutchin, derchin, duchin, kitchin, machin, minchin, paustian, pechin, qichen, truncheon, turchin, turchyn, watchin'
Patchin sounds like:
patagonia, patagonian, patchen, pathogen, patteson, pattison, petitjean, pettijohn, pidgeon, pietism, pitchman, pitchmen, pitkin, pitswon, pitzen, potassium