Ductless rhymes with:
tactless, atlas, countless, cutlass, doubtless, effortless, flightless, fruitless, hartless, heartless, limitless, listless, meatless, meritless, pilotless, pointless, restless, rootless, spotless, tactless, tasteless, thoughtless, ticketless, warrantless, weightless, witless
Ductless sounds like:
desautels, deshotels, diastolic, digital's, digitalis, distills