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.
pseud pseudo posed peised poised passed pissed paused paced paste piste pastie posset posada pesade peseta postie peaced pistou pieced passade passado pst past pest post psst poussette
pseud hoised fussed mossed sudd tawsed noosed gussied moussed sussed biassed physed roosed hayseed lysed passed bossed sued biased cased peised housed lased gessoed chased gassed leased chowsed cheesed wised tissued doused disced seised roused reseed mussed toused messed boused dosed cessed reissued based poised cosied bowsed guessed raised loosed vised hissed viseed issued kissed hosed paused jessed eased fessed busied nosed loused reused cussed phased bussed soused moused guised noised dowsed seed missed fused wissed lassoed visaed bused liaised pseudo goosed posed caused pissed feased rased ceased dissed massed choused tossed mused reseda rosed sassed daisied dossed teased used chassed yessed