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.
flites flits foliates filiates flytes flutes velites folates felts flats fealties fellates flouts fleets floats filets fluyts fluids flotas flatus voltes phyllites felids faults velleities volutes fillets flautas fluidise fallouts fluidize veloutes valuates violates folds volts faulds fields floods valets vaults valutas violets
blites halites tillites velites elites flites zeolites hyalites pelites illites phyllites iolites oolites mullites folates lattes quilts pallettes voltes filiates lealties flytes laities baldies bolides veloutes collides melodies ladies miladies lutes kilts elates galiots palates maleates solutes boletes qualities hilts foliates allottees salutes shelties chelates toluides toilettes milts pluteus dualities dilates delates zloties slits slates realties rillettes ciliates collates nullities pollutes oldies ploidies oleates kilties lottes gluteus plates galateas galettes valuates calottes lits gelates palettes relates blighties polities flits gilts alates jollities eluates volutes elutes fellates halitus culottes colitis elides maladies halides beladies violates glutes ballutes litas gallates mulattoes guilts flutes malates tallits jilts lilts velleities palliates laddies platies galliots glides realities ileitis roulettes paillettes silts plotties slides solates plaits bloodies dealates deletes dilutes tilts toluates wilts cholates salties fealties
flite flit felid felt filiate flat flied flota fluid flute flutey fluty flyte foliate folioed