Wellbrock rhymes with:
dubroc, ellerbrock, labrake, leibrock, rosebrock, viebrock, bachrach, barak, barrack, borak, boruch, burack, burak, butorac, darroch, deroche, dubroc, dvorak, ellerbrock, goracke, horak, jirak, labrake, larock, leibrock, lerach, marak, mcgoldrick, modrak, parrack, petrak, prorok, rosebrock, rothrock, rotruck, schoenrock, sharrock, sturrock, torok, viebrock, vondrak, wittrock
Wellbrock sounds like:
wahlberg, walberg, wallpapers, wheelbarrows, wilberg, willowbrook, woolfork