Polston rhymes with:
colston, gholston, golston, holston, olsten, rolston, allston, alston, boyleston, boylston, carlston, charleston, colston, coulston, egelston, eggleston, gholston, golston, goulston, halston, halston's, holston, huddleston, olsten, pellston, ralston, raulston, rolston, roulston, walston, woolston
Polston sounds like:
palestine, palestinian, pellston, philistine, playstation, publication