Polsby rhymes with:
silsbee, bagsby, bigsby, busby, buzby, causby, cosby, cozby, crosbie, crosby, gadsby, goldsby, grigsby, hornsby, kosbie, ormsbee, ormsby, passersby, riggsbee, rigsby, silsbee, sommersby
Polsby sounds like:
philosophy, placebo, plosive, polakoff