G1917–ἐπιβουλή–epiboulē

But Saul got knowledge of their design. And they kept watch day and night on the roads out of the town, so that they might put him to death:

ἐπιβουλὴ epiboulē “plot”

And when he had been there three months, because the Jews had made a secret design against him when he was about to take ship for Syria, he made a decision to go back through Macedonia.

ἐπιβουλῆς epiboulēs “a plot”

Doing the Lord's work without pride, through all the sorrow and troubles which came on me because of the evil designs of the Jews:

ἐπιβουλαῖς epiboulais “plots”

And when news was given to me that a secret design was being made against the man, I sent him straight away to you, giving orders to those who are against him to make their statements before you.

ἐπιβουλῆς epiboulēs “a plot that”