Walston rhymes with:
allston, alston, halston, halston's, ralston, raulston, allston, alston, boyleston, boylston, carlston, charleston, colston, coulston, egelston, eggleston, gholston, golston, goulston, halston, halston's, holston, huddleston, olsten, pellston, polston, ralston, raulston, rolston, roulston, woolston
Walston sounds like:
wellstone, williston, woolston