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.
bliss bless belies bialis ballies bailies bals bels bilious bowless bialies billies bellies bullies balas bills bolas balls blues bolls biles bulls bales bolus blase blows bells blaws boils balsa boles baals bails buhls bolos bowls bawls blahs boughless bluesy ballsy blousy bialys boylas belays belles blueys boules blowsy blouse belows bylaws bailees baileys bellows billows boulles bullous
bliss lis lies loss goalless palais leis bialis jollies less galliass fellies aaliis coalless billies ghoulies keyless heelless cullies follis mealless holies boughless plisse bullies gloss mollies bless flies glass folios viewless hueless caulis ceilis keelless polies chillis tieless dahlias toolless walies dellies wayless tallis wheelies willies woollies doylies challis chilis dillies collies polis soilless sallies nellies sullies mailless dallies coulis lilies realise quillais pilis dollies jawless tailless rallies bialies lass rayless gillies vowless follies glias floss belies muhlies goalies feeless poleis bowless hollies molies ghillies cullis helios killies allies alias gullies pelisse bailies ballies awless joyless gallies fillies bellies colies aiolis valise class kellies sailless coolies soulless sillies olios sylis mealies delis pulis coulisse relies lawless plies doolies jellies tallies lollies doilies polios chillies chilies dulias challies woolies wheelless tellies wellies dewless wallies toyless dailies toeless shoeless