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