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.
sulus souls slues solus sauls soleus sullies sols sals sels soulless silos sails soils slews sylis slays seels solos sloes salsa sales slows slaws seals sulci sells soles sills sluice selahs selles sluicy sallies sallows scillas sillies zealous sailless soilless
lulus sulus ulus callous bullous ileus flus luaus blues caules cauls pilus pileus jouals gules tolus mauls hauls nulls mules villous guls boules poilus shuls chylous solus hilus puls duels doulas buhls coleus glues pulis dulse gallus bolus rules slues lues lulls bulls malleus hulls gulls phallus gallous pulse callus wauls culls villus souls pilaus pilous caulis hulas flues mulls jealous clues joules zealous sauls fulls fouls coulis pulls soleus values pules shauls ghouls duals dulls fuels talus tules plus miauls yules