Ostby rhymes with:
westby, maltbie, maltby, westby, whitby, abbe, abbey, abbie, abby, abercrombie, abie, abitibi, achebe, adobe, albie, appleby, arabie, arby, asby, ashby, baby, bagby, bagsby, bailby, balbi, bambi, barbie, barby, barnaby, battersby, bebe, bebee, beeby, biamby, bibby, biby, bielby, bigbie, bigby, bigsby, bilby, bisbee, bixby, blackerby, blobby, bobbi, bobbie, bobby, booby, boothby, bowlby, burby, burnaby, busbey, busby, bushby, buzby, cabbie, cabby, cabey, cadby, camby, canby, carby, causby, chalabi, chubby, clasby, clubby, cobey, coby, colby, colombe, comby, corby, cosby, coulombe, cozby, crabby, crombie, crosbey, crosbie, crosby, crumby, crybaby, cumbie, cumby, curby, dalbey, dalby, danby, dansby, darby, debbie, debby, debi, deharbe, demby, denby, derby, dhabi, digby, dobbie, dobey, dobie, doby, dolby, dubey, dubhi, dubie, duby, ebby, ebey, eby, ellerbee, ellerby, enderby, entebbe, erby, farabee, ferebee, ferrebee, filby, flabby, fomby, formbey, formby, freebie, frisbee, frisbie, frisby, furby, gabby, gabie, gaby, gadsby, gatsby, gebbie, giacobbe, gibby, gilbey, gilby, glasby, gobi, gobie, godbey, godby, goldsby, goolsby, goosby, gorby, grandbaby, grigsby, grisby, grubby, gumbi, gunby, habibi, habibie, haby, hallingby, hamby, hanby, hebei, hemby, herbie, higbie, higby, hobbie, hobby, holderby, hornby, hornsby, hruby, hubby, huckabee, huckaby, huckelby, husby, huseby, ingalsbe, irby, jackoby, jacobi, jacoby, kabi, kearby, kelby, kerby, kibbey, kibby, kilby, kirby, kirkby, kirkeby, knobby, koby, kohlrabi, korby, kosbie, kuby, lacombe, lambie, lamby, larabee, larrabee, lazenby, leiby, libbey, libby, liby, lisby, lisenbee, lisenby, lobby, lockaby, lockerbie, lockerby, looby, luby, lusby, luscombe, mabee, mabey, mabie, magby, maltbie, maltby, maulsby, maultsby, maybe, mcabee, mccombie, melanby, melby, mellonby, milby, moby, mockby, morby, mosby, mumby, nabi, nairobi, nambi, namby-pamby, nanobaby, nasby, nashashibi, nesby, newby, nickleby, nimby, norby, nordby, obie, oglesby, okeechobee, ormsbee, ormsby, osby, overbey, overby, owenby, owensby, ownbey, ownby, palombi, pamby, passerby, passersby, phebe, philby, phoebe, polsby, presby, quenby, quimby, quinby, rabey, rabi, raby, renminbi, ribi, rigby, riggsbee, rigsby, rimbey, robbie, robby, robey, robie, roby, rubey, rubi, rubie, ruby, rugby, ryobi, sabey, sacirbey, saleeby, savimbi, saxby, scobee, scobey, scobie, scoby, scooby, scrubby, seabee, sebby, sebi, selby, shabby, shelby, shrubby, sibbie, sibby, silsbee, silsby, slaby, smaby, smeby, snobby, sobey, sommersby, sosebee, sotheby, sourby, stobie, stubby, sundby, sunobe, swaby, tabby, tahmassebi, taibi, thursby, tibbie, tibby, tobey, tobie, toby, tribbey, tribby, trilby, trubey, truby, tubby, uribe, walby, wallaby, weatherby, weathersby, welby, westby, wetherby, whidby, whitby, willoughby, wisby, woodby, yearby, yerby, zerby, zogby, zoghby, zombie
Ostby sounds like:
octave, octavia, octavio, octopi, osthoff