This question already has an answer here:

How many diphthongs are there in English?

Does the word cute have a diphthong?

marked as duplicate by mplungjan, Edwin Ashworth, KarlG, Hellion, jimm101 Feb 27 '18 at 18:09

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Browse other questions tagged or ask your own question.