concur, conquer

Concur or concur ( cun CURR ) means to agree or to go along with--
The doctor hoped that the specialist would concur with his diagnosis.
On rare occasions, the father would concur with his son's opinion on a political issue.

Conquer or conquer ( CON kurr ) means to defeat, literally or figuratively--
Our well-prepared troops are sure to conquer the enemy.
He worked with a therapist to conquer his fear of heights.

Now that you know that, you can say--
"He strove to conquer his urge to concur with everything his boss said."

Note--"conker" ( CONK urr ) means a horse chestnut--
While walking in the woods, he picked up a conker and put it in his pocket.
"Conkers" is a children's game played with horse chestnuts--
If we each find a nut, we can play conkers.