Or – ou
(Pronounced oo (like in moon))
To remember that Or is pronounced oo (ou) in French, use the following mnemonic:
"Trick or treat!", said the oozing (ou) monster.

Examples of ou (or) in a sentence
Tu viens demain ou samedi?
(Are you coming tomorrow or Saturday?)
C'est Marie ou Julie qui a fait ça.
(It's Marie or Julie who did that.)
Vous souhaitez chanter ou danser?
(Do you wish to sing or dance?)