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.
donniker donnicker danker dunker dinkier tanker tinker
moniker donniker ranker junker banker lunker lankier conker hunkier kinkier donnicker gennaker punkier inkier inker danker sinker dunker tinker winker chinkier yonker jinker junkier pinker hanker bunker monkery monicker linker gunkier canker lanker punker funker funkier nicker hinkier dinkier snicker honker hunker tanker wanker wonkier chunkier younker