false pretense
false pretence

They speak against those who enter into marriage under false pretense.

"I would rather not be President than win that high office on false pretenses."

"I don't do interviews under false pretenses," he told me the following week.

"Isn't it the worst thing to offer, or to take a child under false pretenses?"

He did not want to accept this honor under false pretenses.

I just don't want any of the players to have false pretenses.

We were making love to each other under false pretenses.

It seems more like fraud, since the Government is taking money under false pretenses.

He also played a central role in leading us to war on false pretenses.

My principal concern at the moment is whether I would be taking the man's money on false pretenses.