Here's what rhymes with posssss.
Words that almost rhyme with posssss
puffs bluffs cuffs doves stuffs loves gloves us bus pulse ducks pus ups bucks butts pups once thus plus cuts cups nuts trucks ducts huts pumps chunks fuss guts jumps truss bumps busts dumps shuts tufts tusks beauteous bunks dusts junks mus muss pulps ruts sucks months adults flux monks trunks trusts cults lumps adjusts crux cusps gusts hunts lusts repulse struts stumps drunks husks mumps shunts stunts trumps discuss fronts clumps crusts thrusts corrupts grunts woodcuts results conducts insults interrupts disrupts instructs aqueducts coconuts consults obstructs constructs superfluous confronts