There are 4 ways we pronounce written double oo:
Written double oo = / ʊ/ in a small number of words.
There is a list of all of them at the bottom.
First, let’s listen to the difference between /uw/ and /ʊ/.
And now let’s practice /ʊ/.
Here is the whole list of written oo words pronounced /ʊ/.
All the words on the list are sometimes parts of larger words, as we see with: cookie, crooked, neighborhood
Part 1: common words…with pictures and audio above:
Part 2: less common words…without pictures:
soot (coal dust) /sʊt/