Piker rhymes with:
speicher, spiker, spyker, aicher, biker, bleicher, byker, eicher, hiker, keicher, kiker, kreicher, kyker, leiker, reicher, riker, ryker, schleicher, sliker, speicher, spiker, spyker, streicher, streiker, striker, stryker, teicher, weicker, weiker, wiker
Piker sounds like:
paccar, pacer, packager, packer, pagar, pager, passaro, passer, passero, paxar, peacher, pechora, pecor, pecora, pecoraro, pecore, peguero, peiser, pekar, peshawar, peyser, pfizer, picaro, picher, pickar, picker, pickier, picower, pixar, pizarro, pizer, pizzazier, pizzeria, poacher, poker, pooser, poser, possessor, poucher, poyser, pucker, pusher, puskar, pysher