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