{
  "description": "closed pairs in English i.e both words rhyme with each other and only with each other. from https://en.wikipedia.org/wiki/List_of_closed_pairs_of_English_rhyming_words",
  "pairs": [
    ["bairn", "cairn"],
    ["coaxed", "hoaxed"],
    ["lymph", "nymph"],
    ["palped", "scalped"],
    ["smooth", "soothe"],
    ["suave", "Zouave"],
    ["agile", "fragile"],
    ["ambit", "gambit"],
    ["anguish", "languish"],
    ["ankle", "rankle"],
    ["anther", "panther"],
    ["argent", "sergeant"],
    ["ascot", "mascot"],
    ["audit", "plaudit"],
    ["austral", "claustral"],
    ["badger", "cadger"],
    ["bailiff", "caliph"],
    ["ballad", "salad"],
    ["bantam", "phantom"],
    ["beldam", "seldom"],
    ["Bernard", "gurnard"],
    ["biggin", "piggin"],
    ["biplane", "triplane"],
    ["birchen", "urchin"],
    ["bittern", "cittern"],
    ["bodice", "goddess"],
    ["bonnet", "sonnet"],
    ["bosky", "drosky"],
    ["briefly", "chiefly"],
    ["bullet", "pullet"],
    ["bungle", "jungle"],
    ["buskin", "Ruskin"],
    ["cadre", "padre"],
    ["cavern", "tavern"],
    ["central", "ventral"],
    ["cheaply", "deeply"],
    ["cherish", "perish"],
    ["Christmas", "isthmus"],
    ["churlish", "girlish"],
    ["clothing", "loathing"],
    ["coastal", "postal"],
    ["cockney", "knock-knee"],
    ["coffee", "toffee"],
    ["collet", "wallet"],
    ["colored", "dullard"],
    ["coltish", "doltish"],
    ["combat", "wombat"],
    ["cornet", "hornet"],
    ["corpus", "porpoise"],
    ["corset", "Dorset"],
    ["cortex", "vortex"],
    ["Cossacks", "Trossachs"],
    ["couple", "supple"],
    ["courtly", "portly"],
    ["cowboy", "ploughboy"],
    ["curlew", "purlieu"],
    ["darken", "hearken"],
    ["darkling", "sparkling"],
    ["deafest", "prefaced"],
    ["detail", "retail"],
    ["digest", "obligest"],
    ["discal", "fiscal"],
    ["doorway", "Norway"],
    ["dovetail", "love-tale"],
    ["druid", "fluid"],
    ["Eden", "Sweden"],
    ["emu", "seamew"],
    ["errand", "gerund"],
    ["exile", "flexile"],
    ["extant", "sextant"],
    ["faithful", "scatheful"],
    ["farness", "harness"],
    ["felon", "melon"],
    ["fescue", "rescue"],
    ["figment", "pigment"],
    ["finis", "Guinness"],
    ["Finland", "inland"],
    ["fitness", "witness"],
    ["flagship", "hagship"],
    ["fleecy", "greasy"],
    ["fountain", "mountain"],
    ["frequence", "sequence"],
    ["fustic", "rustic"],
    ["gallant", "talent"],
    ["ghostess", "hostess"],
    ["ghostly", "mostly"],
    ["gibbon", "ribbon"],
    ["grapnel", "shrapnel"],
    ["gremlin", "Kremlin"],
    ["gusset", "russet"],
    ["Hendon", "tendon"],
    ["highland", "island"],
    ["hireling", "squireling"],
    ["hotness", "squatness"],
    ["image", "scrimmage"],
    ["junket", "plunket"],
    ["keyboard", "seaboard"],
    ["kiddish", "Yiddish"],
    ["kidney", "Sidney"],
    ["lappet", "tappet"],
    ["launder", "maunder"],
    ["layoff", "playoff"],
    ["leeward", "seaward"],
    ["lengthen", "strengthen"],
    ["lilacs", "smilax"],
    ["livid", "vivid"],
    ["lobster", "mobster"],
    ["lofty", "softy"],
    ["lonely", "only"],
    ["longly", "wrongly"],
    ["lordship", "wardship"],
    ["loudly", "proudly"],
    ["lounge", "scrounge"],
    ["menu", "venue"],
    ["milder", "wilder"],
    ["minnow", "winnow"],
    ["modus", "nodus"],
    ["mopish", "Popish"],
    ["mournful", "scornful"],
    ["mufti", "tufty"],
    ["navvy", "savvy"],
    ["nescience", "prescience"],
    ["nonage", "Swanage"],
    ["nostrum", "rostrum"],
    ["nuisance", "usance"],
    ["ogress", "progress"],
    ["pallor", "valor"],
    ["parsley", "sparsely"],
    ["peevish", "thievish"],
    ["person", "worsen"],
    ["pinto", "Shinto"],
    ["rabid", "tabid"],
    ["ripened", "stipend"],
    ["ripplet", "triplet"],
    ["ruttish", "sluttish"],
    ["sextile", "textile"],
    ["siphon", "hyphen"],
    ["spoonful", "tuneful"],
    ["torpor", "warper"],
    ["tumbril", "umbril"],
    ["contract", "entr'acte"],
    ["discount", "miscount"],
    ["sunlit", "unlit"],
    ["thereby", "whereby"],
    ["therein", "wherein"],
    ["thereof", "whereof"],
    ["therewith", "wherewith"],
    ["barrage", "garage"],
    ["chorale", "morale"],
    ["eclipsed", "ellipsed"],
    ["gyrate", "irate"],
    ["henceforth", "thenceforth"],
    ["Koran", "Oran"],
    ["purvey", "survey"],
    ["banister", "canister"],
    ["bestial", "celestial"],
    ["brilliant", "resilient"],
    ["collier", "jollier"],
    ["creepier", "sleepier"],
    ["devious", "previous"],
    ["Everest", "cleverest"],
    ["fealty", "realty"],
    ["gradient", "radiant"],
    ["javelin", "ravelin"],
    ["loyalty", "royalty"],
    ["medium", "tedium"],
    ["attainder", "remainder"],
    ["autumnal", "columnal"],
    ["cadaver", "palaver"],
    ["concoction", "decoction"],
    ["distinguish", "extinguish"],
    ["farrago", "Chicago"],
    ["pneumatic", "rheumatic"],
    ["beautifully", "dutifully"],
    ["copulated", "populated"],
    ["culminated", "fulminated"],
    ["dedicated", "medicated"],
    ["deifying", "reifying"],
    ["delegated", "relegated"],
    ["generated", "venerated"],
    ["germinated", "terminated"],
    ["lacerated", "macerated"],
    ["lecherously", "treacherously"],
    ["cerement", "endearment"],
    ["crucial", "fiducial"],
    ["drupelet", "quadruplet"],
    ["adoption", "option"],
    ["combustion", "fustian"],
    ["diminished", "finished"],
    ["facetious", "specious"],
    ["exquisite", "visit"],
    ["alluvial", "pluvial"],
    ["emergency", "urgency"],
    ["habitual", "ritual"],
    ["illuminated", "ruminated"],
    ["cesium", "magnesium"],
    ["cordial", "primordial"],
    ["curium", "tellurium"]
  ]
}