Furnished rhymes with:
burnished, admonished, astonished, banished, burnished, diminished, finished, garnished, punished, refinished, replenished, semifinished, tarnished, undiminished, unfinished, unpunished, unvarnished, vanished, varnished
Furnished sounds like:
farmstead, firmest, foremost, franchised, franchot, franked, frenzied