Steiner's rhymes with:
decliners, designer's, designers, designers', dinars, diners, liner's, liners, liners', meiners, miner's, miners, miners', minors, niners, niners', refiner's, refiners, refiners', reiner's, reiners, shriners, signers, whiners
Steiner's sounds like:
southmark, southmark's, stationers, steamers, stonerock, sweeteners