Herpes rhymes with:
burpees, burpees, cappy's, copies, espy's, groppy's, groupies, guppies, hippies, krispies, mapi's, mississippi's, mississippis, philanthropies, photocopies, poppies, poppy's, puppies, recipe's, recipes, sharpies, sharpy's, therapies, tippy's, yuppies
Herpes sounds like:
harbach, harbaugh, harbeck, harbuck, harps, harvey's, herb's, herbaceous, herbeck, herbig, herbs, hirabayashi, horrific, horvac, horvac's, hrabak, hrubik