English Theasurus that shows all the ways the English word is translated from the original Greek and Hebrew.
English Theasurus from the Hebrew and Greek Strong's Dictionary
thank 1288 -- barak -- X abundantly, X altogether, X at all, blaspheme, bless,congratulate, curse, X greatly, X indeed, kneel (down), praise, salute, Xstill, {thank}.
thank 2168 ** eucharisteo ** (give) {thank}(-ful, -s).
thank 3029 -- y@da/ -- (give) {thank}(-s).
thank 3034 -- yadah -- cast (out), (make) confess(-ion), praise, shoot, (give) {thank}(-ful, -- s, -- sgiving).
thank 5485 ** charis ** acceptable, benefit, favour, gift, grace(-ious), joy,liberality, pleasure, {thank}(-s, -worthy).
thankful 2170 ** eucharistos ** {thankful}.
thankfulness 2169 ** eucharistia ** {thankfulness}, (giving of) thanks(-giving).
thanks 0437 ** anthomologeomai ** give {thanks}.
thanks 2169 ** eucharistia ** thankfulness, (giving of) {thanks}(-giving).
thanks 3670 ** homologeo ** con- (pro-)fess, confession is made, give {thanks}, promise.
thanks 8426 -- towdah -- confession, (sacrifice of) praise, {thanks}(-giving,offering).
thanksgiving 1960 -- huy@dah -- {thanksgiving}.
unthankful 0884 ** acharistos ** {unthankful}.