How Do You Spell OAP CDER?
Pronunciation: [ˈə͡ʊp sˈiːdˈɜː] (IPA) 
The word "OAP CDER" is not a commonly used term and does not have a standard spelling. However, if we try to break it down phonetically, it could possibly be pronounced as /oʊ eɪ pi si di iː ɑr/. The "OAP" could be interpreted as "oh-ay-pee", while "CDER" could be "si-di-ee-ahr". It's important to note that without context or further information, the exact spelling or pronunciation of this word cannot be determined.
