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.
various varus vrouws varies varias vars furious varas vrows vairs virus faros vireos pharos faeries gharris farrows veeries fairies furioso ferrous gharries pharisee pharaohs ferreous fiars froes vires veers fares frise frows farci fries verso verse fairs fours fears viers fraise frisee frowsy furies farcie ferias feuars frouzy ferries furrows
furious carious curious various serious triose torous ferreous serous curiosa cirrous aurous rearouse furioso parous carouse arouse brios hydrous arioso ariose trios vrouws ferrous curios roues cerous grouse barrios rouse ariosi crouse porous cheerios