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.
manse mans mannose manes manus manos means moans mains manas mense mannas manias mensae muns meanies mons meanness minis miens monas moons monos minas munis mince muons menus minus mynas hymns mines mensa monies menace hymens mynahs moneys meinies menisci minnies minnows monoecy
hanse manse nose ionise ensue bans fanos kanas banns kaons loans canso lianes beans lanose pensee guans vans jeans nuance vinasse lance manas koans lawns beanos mans cans mannose hansa fiance pans banes deans yeans chance sonsie weans wanes pians unsew tense pawns tans donsie roans rance manus dans nanas sense pains sanes sansei lionise cense moans rennase mensae nans lense canes fauns guanase kinase gains anas ansae lianas leans lauans cains queans kanes nonuse manos fans peans venose fawns guanos anise ains anis vanes llanos kains lanes manes linsey hance anus janes panes anes awns fanes nance means ranis mense ruanas ansa sans sains paeans seance naans dance rains mains rinse dense tains pansy tansy unease pianos wains wans sensei chains yawns dawns yuans
man main mana mane mania manna mano many maun mawn mean meanie meany moan