G1987–ἐπίσταμαι–epistamai

But he denied it, saying, "I neither know, nor understand what you are saying." He went out on the porch, and the rooster crowed.

ἐπίσταμαι epistamai “understand”

He said to them, "You yourselves know how it is an unlawful thing for a man who is a Jew to join himself or come to one of another nation, but God has shown me that I shouldn't call any man unholy or unclean.

ἐπίστασθε epistasthe “know”

When there had been much discussion, Peter rose up and said to them, "Brothers, you know that a good while ago God made choice among you, that by my mouth the Gentiles should hear the word of the Gospel, and believe.

ἐπίστασθε epistasthe “know”

This man had been instructed in the way of the Lord; and being fervent in spirit, he spoke and taught accurately the things concerning Jesus, although he knew only the baptism of John.

ἐπιστάμενος epistamenos “knowing”

The evil spirit answered, "Jesus I know, and Paul I know, but who are you?"

ἐπίσταμαι· epistamai “I am acquainted with;”

whom he gathered together, with the workmen of like occupation, and said, "Sirs, you know that by this business we have our wealth.

ἐπίστασθε epistasthe “you know”

When they had come to him, he said to them, "You yourselves know, from the first day that I set foot in Asia, how I was with you all the time,

ἐπίστασθε epistasthe “know”

I said, 'Lord, they themselves know that I imprisoned and beat in every synagogue those who believed in you.

ἐπίστανται epistantai “know”

When the governor had beckoned to him to speak, Paul answered, "Because I know that you have been a judge of this nation for many years, I cheerfully make my defense,

ἐπιστάμενος epistamenos “knowing [these]”

For the king knows of these things, to whom also I speak freely. For I am persuaded that none of these things is hidden from him, for this has not been done in a corner.

ἐπίσταται epistatai “Understands”

he is conceited, knowing nothing, but obsessed with arguments, disputes, and word battles, from which come envy, strife, reviling, evil suspicions,

ἐπιστάμενος epistamenos “knowing”

By faith, Abraham, when he was called, obeyed to go out to the place which he was to receive for an inheritance. He went out, not knowing where he went.

ἐπιστάμενος epistamenos “knowing”

Whereas you don't know what your life will be like tomorrow. For what is your life? For you are a vapor, that appears for a little time, and then vanishes away.

ἐπίστασθε epistasthe “you know”

But these speak evil of whatever things they don't know. What they understand naturally, like the creatures without reason, in these things are they destroyed.

ἐπίστανται, epistantai “they understand,”