Words containing the "phone" sound:
* phone
* telephone
* microphone
* symphony
* phonograph
* homophone
* telephone
* graphic (the "ph" makes a "f" sound in this word)
Words containing the letters "phon":
* phon (as a root word in many words)
* phonemic
* phonetics
* phonogram
* phonograph
* phosphorus
* diphthong (this word contains the "phon" letters, but the "ph" makes a different sound)
It's important to remember that the "ph" combination often represents the "f" sound, so many words with "ph" will sound like they have "f" in them.