"Chunn" is a surname that is commonly used in English. The phonetic transcription of this word is /tʃʌn/. The first sound, /tʃ/, represents the "ch" sound that is made when the tongue is against the top of the mouth while the air is pushed out. The second sound, /ʌ/, is pronounced with the tongue low in the mouth. And the last sound, /n/, is made when the sound is made with the tip of the tongue against the alveolar ridge while air is pushed out of the mouth.