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.
canoe cane can cannie cain kane cone gane coney canna guano canny gan con keno koan gaun kaon coin coni conn coon cony gain kine gone guan kain kana kino gaen kune
canoe ane chaine wane sane piano pane meanie mane liane anew anoa bane beanie beano fane fano vane jane cane gane guano kane lane llano mano none panne ranee danio waney choanae