Here's what rhymes with stotum.
erratum Words that almost rhyme with stotum
button piton mutton dudgeon dubbin sudden bludgeon glutton unbutton scutcheon nubbin exciton globin escutcheon androgen bellybutton ahem custom buxom caecum buncombe bunkum dumdum accustom cementum jejunum secundum humdrum corundum colostrum conundrum carborundum