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.
datcha dacha ditch dutch dash tach tech dashy techy teuch tache dashi deash duchy touch teach douche techie tetchy touche touchy
gotcha datcha fitchy cutch aitch batch chia litchi mutch match nautch ketch latch vetch pacha catch chay patchy itch pitchy hitch retch hotch rotche chaw dacha ditch tach tetchy witch chai nucha butch patch botchy etch letch mocha lochia natch bitch quitch catchy notch itchy nuchae botch hutch pitch hatch ratch hootch rotch fitch wretch fetch bitchy chao dutch tech watch witchy
data date dato datto daut dautie dawt dawtie doat