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.
chaoses chases choses chaises chasses chooses chouses chowses chausses chiauses chassis cheeses chesses choices
chaoses oses posies mouses louses liaises bosses biases gasses quasses baases cosies touses raises meioses cases hoses noses noises houses bases asses souses pases poises chouses chooses teases chasses posses doses pauses hawses biasses ceases coses tasses oases basses rooses lasses rouses loses moseys nooses mioses poses mosses masses bowses phases causes gooses hoises tawses looses lases dosses hoseys losses gases douses josses coseys eases feases easies leases rases fosses nouses sasses wrasses peases roses passes vases bouses dowses tosses chaises fasces gnoses chases chiauses daises choses chowses
chaos choosey echos chowse chows chouse chose choosy choose chais chias chays chaws chasse chase chaise choushes