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.
fired faired fared fried fiord freed furred foredo feared fret ferried fard ford farad fraud forte virid fordo fretty ferret virtue varied viroid veered faraday ferrite ferrate ferrety gheraoed fart fort frat frit
faired fired aired sired wired waired hired mired heired paired quired ired haired choired laired tired chaired deaired red juried mured reed credo queered caried redo teredo bred reared parred read gyred cheered rede queried carried hairdo jerreed dared tiered rared cured greed moored neared cered knarred hurried zeroed sored purred trued marred rued pored wried weirdo wared gird treed chored whirried tarred shaird dured sheared shirred jarred shred wherried tiaraed yird wearied toured preed cored fared parried curred reread leered sered bird teared brede birred bread cried foredo pared uredo herried gored pureed bared lured barred fried jeered redd soared oread furred harried cared varied quarried seared oared burred erred ferried caird creed buried breed curried garred virid irid fiord liard veered dread bored nereid dreed aeried geared berried chirred jereed roared feared tared charred dried pried loured whored married cred soured hared poured freed laird eared weird whirred serried churred gnarred warred weirdy peered tried worried chared tarried shared sheered tread shored tyred shrewd yaird yirred
fire fir fifer fair fairy fare feirie fere fiar firry fiery fore frae free froe vireo afire fiver