Telegraphy revolutionized long-distance communication.

She used her telekinesis to move the objects without applying any external force.

The telemeter measures the distance between two objects.

Telemetry is used to collect data remotely.

Teleology is the philosophical study of purpose.

She has telepathic abilities.

She is a telepathist.

I wish I had telepathy so I could read people's minds.

I had a telephonic conversation with my boss.

The telephonist answered the phone with a professional greeting.