Hatter rhymes with:
antimatter, attar, batter, blatter, chatter, chitterchatter, clatter, fatter, flatter, latter, matter, mcfatter, mcphatter, natter, patter, platter, sater, satter, scatter, schlatter, shatter, slatter, smatter, spatter, splatter, tatar, tatter, vanatter, vannater, vannatter, vatter
Hatter sounds like:
hader, hadria, haider, hater, hattery, hattori, haueter, hauter, hayter, header, headwater, heater, heather, heathrow, heeter, heider, heidiwear, hider, hither, hitter, hodder, hoddur, hooter, hotter, hotwire, huether, hutter, hyder, hydra, hydro