Here's what rhymes with siffi.
iffy jiffy Words that almost rhyme with siffi
fishy sissy fizzy busy dizzy pithy smithy frizzy privy prissy squishy menisci city theory fifty silly hilly eerie villi hippie filly itchy shifty finny hippy shitty eery shimmy shinny really pity weary filthy guinea witty chilly lily mini sickly sticky thickly thinly cheery fitly giddy silky skinny stiffly thrifty wiry chile chili dinghy inky silty willy billy dearie ditty filmy kitty miry shrilly chilli frilly gimme indie kiddie leery nifty ninny picky piggy teary tinny whinny beery bitchy bitty deary dilly fifthly gillie jimmy middy slily nearly simply merely guilty pretty sixty kidney swiftly yearly chimney dearly dreary fiercely richly risky singly whiskey dimly misty tricky whisky windy dingy flimsy gypsy kingly milky worthily gritty mitre stingy stringy tipsy bilge bleary flinty kinky perigee pigmy pygmy shabbily skimpy springy whimsy wispy frisky pinky pithily quickie solidi clingy dinky jitney pinkie pixie slinky stinky wimpy clearly committee quickly severely grimly prickly wintry glibly grisly grizzly colicky limply nimbly spindly austerely crispy pigsty primly sketchily weirdly drizzly fluidly glitzy horridly lengthily meagrely pimply trimly twisty strictly sincerely briskly princely sophistry feverishly fixedly reentry sacristy bristly crisply crudity intercity lucidly synonymy unworthily deviltry healthily crinkly crushingly luridly rabidly sombrely swimmingly stealthily subcommittee ignominy elastically cavalierly rockabilly distinctly succinctly languidly tranquilly unblushingly insincerely propinquity indecisively transitively involuntarily indistinctly