The research team compared the effectivities of several antiviral compounds to identify the most promising candidate.

The engineer adjusted the robot's effecter to improve its grip on delicate components.

Though the plan seemed implausible at first, many believed it to be effectible with enough persistence.

The council questioned the effectibility of the proposed reforms, pondering whether such changes could realistically be achieved.

The committee evaluated the effectives before recommending a policy change.

The medieval manuscript described various magical effections that altered the course of history.

Her effectful strategy turned the failing campaign into a surprising victory.

The cost-effectiveness of the new solar panels convinced the board to approve the project.

The ideomotor effect can cause participants to move a planchette during a séance without realizing it, making the messages seem supernatural.

The engineers used the Peltier effect to directly cool the laptop's processor during intensive computation.