Hoelterhoff rhymes with:
osterhoff, westerhoff, brinkerhoff, osterhoff, vanderhoff, westerhoff, benninghoff, bohnhoff, brinkerhoff, brockhoff, eckhoff, eickhoff, friedhoff, fruehauf, imhoff, kohlhoff, lenhoff, neuhoff, olthoff, osterhoff, potthoff, puthoff, saathoff, steinhoff, uphoff, vanderhoff, wemhoff, westerhoff, westhoff
Hoelterhoff sounds like:
heliotrope, holderby, holdorf, holtorf, holtrop