Clatter rhymes with:
blatter, flatter, latter, platter, schlatter, slatter, splatter, antimatter, attar, batter, blatter, chatter, chitterchatter, fatter, flatter, hatter, latter, matter, mcfatter, mcphatter, natter, patter, platter, sater, satter, scatter, schlatter, shatter, slatter, smatter, spatter, splatter, tatar, tatter, vanatter, vannater, vannatter, vatter
Clatter sounds like:
caldeira, calder, caldera, calderaro, caldor, caulder, childree, childrey, claytor, clothier, cloture, clouatre, clouthier, cloutier, clutter, colder, coldwater, collider, colter, coulter, culture