Baptist rhymes with:
anabaptist, anabaptist, anabaptist, advantest, anabaptist, anesthetist, apprenticed, artist, bluntest, brightest, cornettist, cultist, dentist, faintest, fastest, fattest, fittest, greatest, hottest, lastest, latest, librettist, lightest, neatest, noticed, orthodontist, practiced, quietest, quietist, remotest, slightest, smartest, softest, strictest, sweetest, swiftest, tightest, wettest
Baptist sounds like:
badgett, baptista, baptiste, baptized, bathgate, batista, batiste, battista, battiste, battisti, bautista, bedecked, bedgood, bedside, bethesda, betwixt, bewitched, bidgood, bodeguita, botched, bud-test, buddhist, budged, budget, budgeted