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