Here's what rhymes with stumulus.
cumulus Words that almost rhyme with stumulus
luminous scrupulous humanise spookiness usefulness ruinous voluminous bituminous luminance truthfulness fruitfulness uveitis humanness youthfulness duelists ruefulness tunefulness kookiness ludicrous unscrupulous humanists albuminous mutinous ruminants contumacious glutinous fumigants pugilists dehumanise glutenous gratuitous ruthlessness uselessness rootlessness untruthfulness fruitlessness gruesomeness lutenists humourlessness lubricants nutriments illusionists communicants