Brownfield rhymes with:
banfield, barnfield, battenfield, bergenfield, binfield, bonfield, canfield, cornfield, cranfield, edenfield, frankenfield, granfield, greenfield, infield, kenfield, minefield, penfield, plainfield, rosenfield, stanfield, winfield
Brownfield sounds like:
barnfield, bramblett, bromfield, broomfield, brumfield