These are Greek

Tele ~ far away; telescope (scope ~ watch, examine), telegraph (graph ~ write) -to send writing far away

Phono ~ sound, voice; phonograph (writes down sound), microphone (makes small sounds big), symphony (syn ~ with/together...make sound together)*

Peri ~ around, near; periodontics (dent ~ tooth), periscope (to look around objects), perimeter (to measure around)**


**Meter means measure XOXO