Wallwork rhymes with:
metalwork, needlework, schoolwork, artwork, beadwork, brushwork, casework, clockwork, earthwork, fieldwork, firework, footwork, framework, groundwork, guesswork, handiwork, hardwork, homework, housework, latticework, leadwork, legwork, masterwork, metalwork, needlework, network, openwork, paperwork, patchwork, piecework, plasterwork, roadwork, schoolwork, spadework, teamwork, voicework, waterwork, woodwork
Wallwork sounds like:
wahlers, walrus, walruses, whalers, wheeler's, wheelers, willers, wohlers