phon

As nouns the difference between phon and khon

is that phon is (acoustics) a unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured while khon is a thai form of dance with music and narration.

As nouns the difference between phone and phon

is that phone is a device for transmitting conversations and other sounds in real time across distances while phon is a unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured.

As a verb phone

is to call (someone) on the telephone.