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.
holla holloa hollo holly hilloa halloa hulloa hallah hollow holloo hall hole holy hull hill hila hell hula howl holey hooly haole hoyle hillo hilly hullo hello hallo halloo hulloo hoolie hallow heel hili hale halo haul heal heil helo hail
holla olla cholla boyla scilla olea quoll folly lolly viola kola villa villae halloa voila moll holly molly moolah challa holloa wholly walla tola dolly zillah cella calla poll paella bola knolly hulloa mullah chola coolly cola hilloa pallia bullae fella bulla quillai mola koala loll boll cullay allay moola colly cellae coala challah hallah sola mollah mulla wallah toll doula doll roll jolly woolly knoll folia fellah hollo nullah golly