G3590–ὄγδοος–ogdoos

And on the eighth day they came to see to the circumcision of the child, and they would have given him the name of Zacharias, his father's name;

ὀγδόῃ ogdoē “eighth”

And he made with him the agreement of which circumcision was the sign. And so Abraham had a son, Isaac, and gave him circumcision on the eighth day; and Isaac had a son, Jacob, and Jacob was the father of the twelve heads of the families of Israel.

ὀγδόῃ, ogdoē “eighth,”

And did not have mercy on the world which then was, but only kept safe Noah, a preacher of righteousness, with seven others, when he let loose the waters over the world of the evil-doers;

ὄγδοον ogdoon “one of eight”

And the beast which was, and is not, is himself the eighth, and is of the seven; and he goes into destruction.

ὄγδοός ogdoos “an eighth”

The fifth, sardonyx; the sixth, sardius; the seventh, chrysolite; the eighth, beryl; the ninth, topaz; the tenth, chrysoprase; the eleventh, jacinth; the twelfth, amethyst.

ὄγδοος ogdoos “eighth”