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.
carried caried curried cried cared quarried curred garred card cred corrida cardiae cured caret carte caird cored credo creed garret carrot cardio cardia carate curite corrody carroty corrode crowdie cowrite queried corrade garrote crud grid curd cart crit cord garrotte crowd guard greed carat curdy garda curet gored crude cruet crate gride corody cruddy croute garote curate quarte gardai create greedy karate crowdy quired cowrote curette garotte queered querida
berried tarried hurried worried serried quarried parried curried ferried herried carried harried wherried married whirried tried dried horrid ferrite aeried birred gnarred furred chirred juried jerreed cried pried varied warred parred tarred wearied shirred whirred barred queried fried jarred wried curred buried corrida caried purred bourride charred torrid erred jerrid rared garred marred knarred churred burred yirred red rid
carr carry corrie currie acari scarry car