Most oo words are pronounced using the long oo sound. There are some words that pronounced with the short oo. The following are some patterns that may help you remember some of the short oo words. The letter group ook is mostly pronounced with a short “oo” as in “put” (the only exceptions are “spook” and “snooker”, which are pronounced with a long “oo”). The letter group ood is mostly pronounced with a short “oo”, but it can also be pronounced with a long “oo” as in “brood”, “food”, and “mood”.

Learn to Read | Digraph Short /oo/ - *Phonics for Kids* - Science of Reading