Taskforce rhymes with:
workforce, counterforce, uniforce, wilberforce, workforce, agresource, clotheshorse, concourse, counterforce, deadhorse, healthsource, intercourse, racehorse, telsource, uniforce, unisource, whitehorse, wilberforce, workforce, workhorse
Taskforce sounds like:
takeovers, taxpayer's, taxpayers, taxpayers'