falsity|falsities

她很快就发现了这个理论的谬误之处。

She quickly recognized the ___falsity of the theory.

他说话时的假笑暴露了他的虚伪。

The ___falsity of his smile was evident when he spoke.

他声称自己无辜，但法庭证据揭露了他的谎言。

He claimed innocence, but the court evidence exposed his ___falsities.