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.
grillery griller grueller cruller kruller grueler growler growlier crueller caroller corollary curler quarreller caroler coruler crawler crueler curlier crawlier quarreler
raillery grillery drollery driller troller quarreller corollary kruller grueller griller cruller crueller friller caroller brailler roller rallier derailleur droller frillier reroller triller shriller
grill grille gorilla gorily grail krill