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.
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foods hoods goods roods woods moods poods ods dodos tattoos zooids voodoos photos boots odas sods rotos modus woodsy loots odes geoids oots bodes voids gowds koodoos nods bods codes mods feods modes lodes toots shoots foots yodhs goads hyoids nodus soots ouds doodoos tods diodes loids coots roads hoodoos odds coeds codas roots toads geodes pods loads nodes gods moots lotos rodes quods hoots hods rods kotos cods woads sodas yods
mood moody mod mode modi mooed moot