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.
galateas gallates galettes galletas glades glutes gaults gloats galiots gallets gluteus galoots galloots collates galliots calottes gluts glads gleds qualities cleats gleets gleeds gledes clades glides guilts glouts coleads kilties glottis gullets callets culottes quaaludes claddaghs golds cults clots kilts kelts glitz clads colts caulds cloots clouts culets cultus glitzy guilds quilts
galateas filiates chelates dilates dealates slates relates plates palliates oleates malates alates balatas elates eluates fellates lattes folates palates toluates delates solates ciliates platies plateaus maleates flautas gallates collates gelates violates valuates foliates cholates
galatea galeate galette gallate gault gloat