G2932–κτάομαι–ktaomai

"Provide no gold, nor even silver nor copper to carry in your pockets;

κτήσησθε ktēsēsthe “may take along”

I fast twice a week. I pay the tithe on all my gains.'

κτῶμαι. ktōmai “I gain.”

By your patient endurance you will purchase your lives.

κτήσασθε ktēsasthe “do you gain yourselves”

(Now having bought a piece of ground with the money paid for his wickedness he fell there with his face downwards, and, his body bursting open, he became disembowelled.

ἐκτήσατο ektēsato “acquired”

"Perish your money and yourself," replied Peter, "because you have imagined that you can obtain God's free gift with money!

κτᾶσθαι. ktasthai “to be obtained!”

"I paid a large sum for my citizenship," said the Tribune. "But I was born free," said Paul.

ἐκτησάμην. ektēsamēn “bought.”

that each man among you shall know how to procure a wife who shall be his own in purity and honour;

κτᾶσθαι ktasthai “to control”