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.
zombis zombies zooms zamias soms semis somas zymes sambas sambos zymase
zombis mis cumbias limbas camise lambs rummies limbs mambas iambs homies bombes sambos combs jambs koumis gumbos roomies amiss gimmies bimbos zamias jemmies jumbos pommies remise umbos shimmies shammies iambus chemise chammies bombs chamise wombs demies tommies mommies mamies dummies tammies nimbus dumbos gambes amis gambs coombes kumiss camisa combes numbs amies gombos miso jimmies coombs limbos lamias sambas mise combos hyphemias mambos commies jambes cammies gambias koumiss limbus kombus gambas lambies ambos ramies immies remiss miss zombies rumbas demise amias tamis dumbs semis tombs jammies daimios whammies chamisa mummies chamiso chamois mammies chimbs shamois tummies yummies