Unprecedentedly rhymes with:
discontentedly, pointedly, admittedly, assertedly, discontentedly, good-heartedly, heartedly, heatedly, pointedly, purportedly, repeatedly, reputedly, undoubtedly, unexpectedly, wholeheartedly
discontentedly, pointedly, admittedly, assertedly, discontentedly, good-heartedly, heartedly, heatedly, pointedly, purportedly, repeatedly, reputedly, undoubtedly, unexpectedly, wholeheartedly