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.
faenas faunas fans fens fanes fanos fauns fawns veenas foehns fewness faience fannies feyness fins funs vans fons foins vinas fohns fines finos venus fence finis veins vanes fancy fiance venose venous venues fiancee finesse funnies hyphens vinasse vainness
veenas hyenas whenas hyaenas faenas scenas ens guanase hygienes keens gnaws mense kens punas benes genes mynas nays means ruanas anoas cannas jeans naos peens hymens paeons hennas cense lenes miens lense hyponeas queens lenos manias wrens guineas saunas pinas yeans beans chinas taenias liens wens weens dienes uneasy unaus deans tunas tineas rennase tens teensy nans venus donnas sennas bens lanais dens neons zeins gens snaws sunnas annas pens nenes scenes anas penes genus kinas leans minas hyphens guanays lens manas penis faunas duennas kenos lianas mannas quinoas mensa eons peons foehns reins bunas peans queans vinas kanas lunas fens menus lenis aeons monas sense teens hens paeans siennas rouens xenias sunnahs kinase zinnias nanas dense goannas peins mynahs genoas nonas sensa tenias tense pinnas tonneaus unais denes unease weans donas weensy wheens whens sheens veins yens
faena fan fen fain fane fanny fano faun fauna faunae fawn fawny fenny avenue