Here's what rhymes with nigni.
Words that almost rhyme with nigni
mighty tiny ninety icy nicely idly ivy nightly shiny knightly ibi ici idee iri iti nightie piney piny whiny nighty knightlier highly widely finely lightly lively rightly tightly mildly psyche timely wisely tidy shyly widi wily hyphae spiny wryly feisty wifely limy vilely wiki dicey sightly smiley whitey limey lithely siree snidely ripely lichee chivy feistier sightlier likely slightly kindly brightly wildly untimely almighty dryly slimy spicy unsightly untidy blithely grimy slyly unwisely benignly flighty spiky chenille pricey stymie showily spiry styli vaginae skivvy tritely blimey crikey stymy unsightlier inquiry unlikely enquiry politely blindly divinely concisely sprightly unkindly uprightly supinely sprightlier spryly stripey precisely expiry sublimely contritely impolitely eruditely forthrightly imprecisely bolsheviki