I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
logons logans lagoons lagans ligans lagunas lagunes leggins leukons legginess likens lacunas lacunes lacunose ligneous likeness
agons tigons waggons logons cogons wagons bacons icones logans tycoons bygones cons cones beckons conus guns conns coigns doggones biggins racons leukons macons neocons pagans pignus racoons recoins reigns scones signs deacons vegans daikons wigans coons eikones recons ikons kaons coins segnos beignes cocoons piggins agones muggins gowns eikons noggins reckons rockoons icons goons hogans deigns beacons coignes lagans leggins ligans feigns koans bogans quoins lagoons weakons shoguns
logon lagoon logan logania slogan