Battelle's rhymes with:
mattel's, moskatel's, cartel's, cartels, hotel's, hotels, hotels', intel's, mattel's, montel's, moskatel's, motels, pastels, rintel's, rintels, rintels', sheftel's, telles, tells, vertel's
Battelle's sounds like:
battle's, battles, beadles, beatles, beatles', beetlejuice, beetles, befuddles, betelgeuse, biddle's, bidlack, bidlo's, boodles, bootleg, bootlegs, bottles, buthelezi, buthelezi's, butulesi, butulesi's