G3966–πατριάρχης–patriarchēs

Men and brethren, let me freely speak unto you of the patriarch David, that he is both dead and buried, and his sepulchre is with us unto this day.

πατριάρχου patriarchou “patriarch”

And he gave him the covenant of circumcision: and so Abraham begat Isaac, and circumcised him the eighth day; and Isaac begat Jacob; and Jacob begat the twelve patriarchs.

πατριάρχας. patriarchas “patriarchs.”

And the patriarchs, moved with envy, sold Joseph into Egypt: but God was with him,

πατριάρχαι patriarchai “patriarchs”

Now consider how great this man was, unto whom even the patriarch Abraham gave the tenth of the spoils.

πατριάρχης. patriarchēs “patriarch.”