Bible Greek and Hebrew Dictionaries combined for Word Studies
Genesis Chapter 1
threescore 1835 # hexekonta {hex-ay'-kon-tah}; the tenth multiple of 1803; sixty: -- sixty[-fold], {threescore}.
threescore 5516 # chi xi stigma {khee xee stig'-ma}; the 22d, 14th and an obsolete letter (4742 as a cross) of the Greek alphabet (intermediate between the 5th and 6th), used as numbers; denoting respectively 600, 60 and 6; 666 as a numeral: -- six hundred {threescore} and six.
threescore 7239 ## ribbow {rib-bo'}; from 7231; or ribbow& {rib-bo'} from 7231; a myriad, i.e. indefinitely, large number: -- great things, ten ([eight]-een, [for]-ty, + sixscore, + {threescore}, X twenty, [twen]-ty) thousand.
threescore 7657 ## shib`iym. {shib-eem'}; multiple of 7651; seventy: -- seventy, {threescore} and ten (+ -teen).