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.
wauks wacks wakes wackes wackos whacks wags whackos woks weeks wekas wicks wax waxy wigs wogs
auks jauks wauks jacks jouks kakis hawks cukes bakes oaks gauss because wreaks rakis jukus sucks backs leaks sakes jakes wacks beaks macks pucks quakes cause yucks takes yaks shucks paiks shakes chucks rucks mucks soaks gucks tacks dawks makes ducks hucks tucks zouks neuks racks haiks lakes sacks lucks suks bucks sakis hakes fucks gawks shakos lakhs whacks kakas rakus vagus kaiaks hakus lacks quacks makos jukes fakes yeuks wracks dukes rakes magus pukes souks nukes packs daks hacks cakes peaks yacks takas teaks knacks ukes wakes degauss kagus shacks yuks
wauk wack wacke wacko wacky wake weak awake