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.
cento cent centu scent cenote centai sent senti scend sente santo senate seniti sennet sennit sienite send snit snot
bento lento cento went tanto tent sent senti pent canto santo bent onto tenuto yenta into kendo junto conto gentoo gent genet kent rente meant feint vent leant bonito manito pinto centu punto finito cent rent lent panto hent kente menta scent sente dent tenet tenty unto shent yente