How native speakers pronounce “diphthong”

so in noise and noisy we have the oi so in noise and noisy we have the oi diphthong diphthong

How to Pronounce Nose, Noise, Nose and Noisy (Diphthong/ɔɪ/ vs. /oʊ/ in American English)

letters air that's another way we spell letters air that's another way we spell that air diphthong that air diphthong

How to Pronounce Prepare and Preparation

are is in the vowel sound our has the are is in the vowel sound our has the diphthong diphthong

How to Pronounce Our and Are in American English

chastised chastised letter I says the I diphthong that's letter I says the I diphthong that's

How to Pronounce Chastise and Chastised

Israeli we're going to have a stressed a Israeli we're going to have a stressed a diphthong there and we end on the Lee diphthong there and we end on the Lee

How to Pronounce Israel and Israeli

phenomenon it's a different valve it's phenomenon it's a different valve it's actually a diphthong and we can talk actually a diphthong and we can talk

Cot-caught