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