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.
sycees syces sices cesses saices sauces seises seizes ceases seesaws sizes sises sasses sisses souses susses cissies sassies sissies
cees lycees sycees duces daces deuces feezes faeces lessees maces fuzees vices voices feces ices diocese wheezes laces fices nieces peaces puces races recess rices sauces fasces fauces luces faces fyces voces facies sices fezes heezes bices aces zees sycee juices sees mezes fusees cess paces pieces hyraces razees resees saices syces deices dices dioecies taces choices
syce sycee sycees syces sice fyces lycees sices