What words have the same ou or ough vowel sound as bubble?

Here are some words with the same vowel sound as "bubble" (which is a short "u" sound):

ou

* Could

* Would

* Should

* Flood

* Blood

* Mud

* *Some words with "ou" make a different sound, like "house" or "mouse"*

ough

* Rough

* Tough

* Enough

* Dough

Keep in mind that English spelling is often inconsistent, and there are many words where the "ou" or "ough" combination doesn't make the "bubble" sound.