Thornhill rhymes with:
barnhill, barnhill, dunhill, greenhill, stonehill, anthill, barnhill, berryhill, brookehill, broyhill, cahill, coghill, dunhill, foothill, gladhill, gledhill, greenhill, halfhill, hemphill, mccahill, mcmahill, molehill, parkhill, polhill, rockhill, sandhill, sawhill, scahill, stanphill, stodghill, stonehill, summerhill, tannahill, tuthill, underhill, whitehill, whittinghill
Thornhill sounds like:
terminal, terminally, thermal, thornell, thornley, tramel, tramell, tramiel, trammel, trammell, tremel, treml, tremmel, triennial, trunnell, turmel, turmoil, turnley