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.
gleet gleety gleed glede gullet gallet galeate galette galleta gled glut glide glout glade glute gloat glued guilt cleat culet gault galiot gulled glutei guiled callet galled gaoled galoot collet cullet goaled guilty gallate galatea galloot galliot gallied gullied killdee quillet clot colt cult glad gold kelt kilt
fleet leet sleet gleet let sallet gullet bleat billet ballet howlet cleat bolete violet fillet filet culet relet millet mullet palet pellet pleat sleety toilet willet quillet gallet blet owlet mallet galleta valet gleed boleti bullet killdee gleety cullet bleed bluet muleta glede pallet piolet pullet rillet collet callet delete wallet chalet
glee gale galea galeae gley glue gluey aglee agley ogle