Spectacular rhymes with:
unspectacular, unspectacular, unspectacular, unspectacular, unspectacular, unspectacular, vernacular, avuncular, binocular, cardiovascular, circular, curricular, extracurricular, gastrovascular, intermolecular, jocular, molecular, muscular, particular, perpendicular, secular, semicircular, testicular, unspectacular, vascular, vehicular, vernacular