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.
cooties coots cotes cuties coatis cots coatees goodies catties cutties cates coeds codes coats cutes cutis coitus quotes cutesy cottas cuteys caddies goatees cutesie codeias kitties cuddies cats cuts cods gaieties gates kytes codas goats kotos goods caids kites cadis cades gouts caddis quotas kotows quiets guides quoits gaudies goddess kiddies kiddoes koodoos kowtows caddice gateaus quietus
footies booties cooties ties mottes moieties footsie laities foodies fatties votes kitties gaieties bootees cuties jetties butties pieties hoodies potsie putties rotes rottes cities dauties deities doodies duties tides todies totes whities chitties notice bodies boodies goodies lottes patties quotes notes motes boites cotes bawties beauties hotties cutties jutties pities potties coatis catties reties rotis routes sties dawties ditties dotes tatties titties tootsie tutties woodies shotes tis
cootie coot coati cocotte scoot cot