Celestine rhymes with:
modestine, notestine, agostini, anstine, castine, firestine, modestine, notestine, vastine, agostini, albertini, anstine, aseltine, balentine, ballentine, barentine, bertini, bettini, bottini, castine, contini, costantini, demartini, fantini, firestine, fortini, galentine, gallentine, gilbertine, latini, lentine, lentini, leontine, martini, modestine, montini, notestine, pettine, piacentini, ratieni, sabatine, sabatini, santini, teaney, teenie, teeny, turrentine, valentini, vantine, vastine, volentine
Celestine sounds like:
celestin, celestina, celestino, chalcedony, classaction, claxton, clewiston, clogston, closedown, clugston, collection, collocation, colston, coulston, cyclostome