Jopp rhymes with:
atop, bop, bopp, chop, chopp, cop, copp, crop, cropp, dopp, drop, flop, glop, gropp, hop, hopp, hoppe, klopp, knop, knopp, kopp, koppe, kropp, lop, lopp, mop, nonstop, op, opp, paap, paape, plop, pop, popp, poppe, prop, propp, raap, ropp, schaap, schopp, schoppe, schropp, shop, shoppe, skop, slop, sop, sopp, stop, swap, swapp, top, topp, tropp, tschopp, wop, yopp
Jopp sounds like:
jab, jabah, jackoby, jacob, jacoba, jacobe, jacobi, jacobo, jacoby, jaffa, jaffe, jaffee, jaffey, jakab, jakob, jap, java, jeb, jeep, jeff, jeffe, jeffey, jeffy, jehovah, jessop, jessup, jesup, jib, jibe, jif, jiffy, jive, job, jobe, joffe, jojoba, josef, joseph, josepha, jovi, jozef, juba, jubb, jujube, juppe, juve