Sullivant rhymes with:
sturdevant, sturdivant, avent, casavant, convent, covent, dunavant, dunnavant, fervent, haven't, insolvent, irrelevant, morvant, observant, provant, relevant, servant, solvent, sturdevant, sturdivant, sturtevant
sturdevant, sturdivant, avent, casavant, convent, covent, dunavant, dunnavant, fervent, haven't, insolvent, irrelevant, morvant, observant, provant, relevant, servant, solvent, sturdevant, sturdivant, sturtevant