Ponytail rhymes with:
fairytale, coattail, cocktail, dovetail, fairytale, fantail, folktale, foxtail, horsetail, retail, robitaille, telltale, whitetail
Ponytail sounds like:
panhandle, pantaleo, pantel, pantle, pendell, pendley, pendola, pendyala, pentothal, pimental, pimentel, pindell, pointedly, pontillo