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.
glories galores glorias glorious calories glares galleries galeres claries glaires calorize colorize gallerias colors gluers clours glairs collieries colours claroes colures gaolers clerisy colliers couloirs clears claros callers coalers coilers collars coolers cullers killers
calories lories glories pillories claries sealeries calorize celeries milliaries valorize colorize voleries glorias galleries collieries flurries valorise fooleries lorries loris phyllaries pelorias galores helleries railleries lores salaries fulleries slurries