Pathet-lao rhymes with:
allow, blau, blough, clough, disallow, lao, lau, lough, plough, plow, schlough
Pathet-lao sounds like:
paddle, padilla, padley, padula, patel, patella, patillo, pattillo, pedal, peddle, pedley, petal, pethel, pethtel, petillo, piddle, pietila, pittle, pivotal, podell, podoll, poodle, pothole, pottle, puddle, pudlo, pudwill, pytel