They are conspiring against the government.

There was a conspiracy to overthrow the government.

The conspirers were planning a coup.

The conspirer was caught red-handed.

There were many conspirations against the government.

The conspirings of the group were finally exposed.

He believed in the conspirancy theory.

He gave me a conspirative look.

The co-conspirator was arrested along with the main suspect.

The co-conspirators were arrested for their involvement in the crime.