The book Dhaatu-Paa.tha The Roots of Language Sthephen Hill and Peter Harrison Munshiram Manoharlal Publishers Pvt.Ltd. 1997 ISBN 81-215-0814-0 has an appendix Excursus in Greek, Latin, Anglo-Saxon and English which lists all dhaatu along with their derivatives/closely related in roots in greek, latin, anglo-saxon and english. That's at least a start. Dmitri.