Datapoint's rhymes with:
datapoints, datapoints, datapoints, appoints, datapoints, disappoints, appoints, datapoints, disappoints, point's, points
Datapoint's sounds like:
datapoints, defends, depends, deviants, divinitas, divinities, dupont's
datapoints, datapoints, datapoints, appoints, datapoints, disappoints, appoints, datapoints, disappoints, point's, points
datapoints, defends, depends, deviants, divinitas, divinities, dupont's