There are 4 ways we pronounce written double oo:
Written double oo = /ɔ–ɚ/ in only 3 words.
Why do we say it this way? The answer is…the Secret of R [link]
an unstressed vowel + written r = always /ɚ/
a red front door
Our house is blue.
Our next-door neighbor‘s house is green.
We live in a 2-story house.
The kitchen is on the first floor.
The bedrooms are on the second floor.
a tile floor
He’s rolling on the floor laughing.
The word poor is pronounced differently in different regions of the U.S.
It’s okay to say either /ˈpɔ–ɚ/ or /puw–ɚ/.