phon

sound, voice

Spelled phon · phone 'sound, voice'

Greek phone meant sound or voice: a telephone sends sound far, a microphone captures small sounds, and a symphony joins sounds together.

Words built from it

telephone — a device for transmitting voice over distance
tele- (far) + phon (sound)
microphone — a device that converts sound into an electrical signal
micro- (small) + phon (sound)
symphony — an elaborate musical composition, or a harmony of sounds
sym- (together) + phon (sound)
phonetic — relating to the sounds of speech
phon (sound) + -etic (relating to)
homophone — a word pronounced the same as another but different in meaning
homo- (same) + phon (sound)
cacophony — a harsh, jarring mixture of sounds
caco- (bad) + phon (sound)

phony — of disputed slang origin, possibly from 'fawney' (a swindler's ring); unrelated to Greek phone 'sound.'
siphon — from Greek siphon 'pipe, tube' — a different Greek word, unrelated to phone 'sound, voice.'