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.
paiks pikis pikas pikes packs peaks picks pigs pics pacs pokes peeks peags pacas pekes pucks pecks pukes pocks picas pekoes piques pokeys pokies pax piggies pix pecs pegs pixy pugs
haiks paiks kicks leaks auks fakes sacks laics beaks gawks rakis makes haikus likes sakis backs jacks ricks bikes lakhs sikas knacks bakes micks quicks soaks whacks yikes yacks daks shiksa sheikhs kakas shakes chicks tacks wakes oaks pikes ticks tikis quais takes wreaks dicks picks racks quacks laogais cakes makos hakes kikes sikes hawks hakus wracks hicks hikes sicks jauks peaks jakes rakus licks hoicks lacks sakes packs hacks lakes mikes quakes macks zaikais kakis rakes pikas dikes wricks teaks kaiaks wacks tikes pikis wauks wicks takas shacks shakos nicks sheiks shikse dawks yaks yoicks
paik pack pawky peak peaky pick picky pika pike piki spake spik spike spikey spiky