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.
residual residually recital resaddle restyle rustily wrestle resettle roseately
decidual residual zooidal basidial biocidal aecidial suicidal deicidal
resid reside residua residue resaid reseda resit resite resod preside presidia presidio ursid