Filbert rhymes with:
philbert, gilbert, gilberte, guilbert, hilbert, philbert, silbert, wilbert, adelbert, albert, calbert, colbert, culbert, dalbert, delbert, elbert, engelbert, englebert, ethelbert, gilbert, gilberte, guilbert, halbert, helbert, hilbert, holbert, hulbert, hulburt, hurlbert, hurlburt, inglebert, jalbert, kolbert, philbert, silbert, talbert, tolbert, walbert, wilbert, wolbert