Lanclos rhymes with:
abalos, airflows, amarillo's, amarillos, anglos, apollo's, armadillos, avalos, banuelos, barcellos, bedfellows, bellow's, bellows, bidlo's, billows, bustillos, ceballos, cevallos, costello's, d'angelo's, davalos, debartolos, decamillo's, emilo's, fellow's, fellows, follows, furloughs, gallo's, gallos, gallows, goodfellows, hallows, halos, hollow's, hollows, jello's, macumolo's, mallows, marshmallows, milos, palos, paulos, pillows, polo's, pulos, solos, swallows, tullos, vasconcellos, vasconcelos, veloz, yellows, zelos
Lanclos sounds like:
langlais, langlois, linsey-woolsey, longleg, longlegs