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.
gambas gambias gambs gamas gammas gamays gambes gams camas gaums games goombays goombahs camass gummas gombos gumbos caeomas cumbias gums cams cames kames camos combs comas camise coombs combos camisa combes commas cameos kombus cammies coombes gummose gummous
limbas sambas rumbas gambas mambas mas bombes embays bimahs nemas mass amass gambias iambs gamays bimbos coombs mammas goombahs bombs maes nomas biomass lambs bemas hyphemias kombus gammas lemmas shamas wombs tombs dumbos doumas zombis summas simas camas bams pimas bimas moas pneumas combos commas gumbos maws limbs limbos lumas caeomas jumbos goombays lamias masa gambes amahs numbs lamas amas ambos mommas gombos mamas combes amias nimbus jambes limbus gummas llamas coombes iambus camass gamas pumas loumas mambos limas cumbias jambs comas omasa combs mays cymas gambs sambos somas zamias zymase dumas dumbs umbos chimbs shammas
gamb gambia gamba gambe gam gamey agama cambia gama gamay gamy gamma game gaum gombo gumbo gammy ogam