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.
plover pullover palaver plougher pilfer palfrey
allover boilover glover lover clover rollover pullover plover flivver culver elver laver livery levier lever clavier louver palaver clovery cleaver claver liever shelver clever believer leaver sliver liver solver silvery slaver leavier livier deliver delver laveer reliever silver slavery delivery wolver salver shelvier