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.
valses valises falsies falces phalluses flosses floosies flossies phyleses fallacies fleeces floozies phylesis
valses dulses pulses cullises clauses jalousies boluses flossies phalluses lassies jealousies coleuses leases galluses valises plusses lases flosses coalesces balsas ileuses calluses xyloses teleses tallises galliasses glossies dialyses molasses glassies palliasses salsas pelisses lassoes plisses realises leses calloses falsies blesses lessees blouses looses lyses glasses blisses gallowses coulisses delouses floosies bolases pleases colessees classes closes biolyses loses galleasses aliases liaises releases louses callouses falces loesses calces pluses phyleses soleuses taluses lasses palsies paillasses losses malaises balases glosses challises
valse false falsie vails vales valise valleys values veals vials ovals