G0059–ἀγοράζω–agorazō

Therefore I counsel you to buy of Me gold refined in the fire that you may become rich, and white robes to put on, so as to hide your shameful nakedness, and eye-salve to anoint your eyes with, so that you may be able to see.

ἀγοράσαι agorasai “to buy”

And now they sing a new song. "It is fitting," they say, "that Thou shouldst be the One to take the book And break its seals; Because Thou hast been offered in sacrifice, And hast purchased for God with Thine own blood Some out of every tribe and languag

ἠγόρασας ēgorasas “You purchased”

in order that no one should be allowed to buy or sell unless he had the mark--either the name of the Wild Beast or the number which his name represents.

ἀγοράσαι agorasai “to buy”

And they were singing what seemed to be a new song, in front of the throne and in the presence of the four living creatures and the Elders; and no one was able to learn that song except the 144,000 people who had been redeemed out of the world.

ἠγορασμένοι ēgorasmenoi “redeemed”

These are those who had not defiled themselves with women: they are as pure as virgins. They follow the Lamb wherever He goes. They have been redeemed from among men, as firstfruits to God and to the Lamb.

ἠγοράσθησαν ēgorasthēsan “were redeemed”

And the merchants of the earth weep aloud and lament over her, because now there is no sale for their cargoes--

ἀγοράζει agorazei “buys”