What words have the same O sound as found in word hydrophone?

The "O" sound in "hydrophone" is the long O sound, similar to the "O" in "go" or "know".

Here are some words with the same long "O" sound:

* Open

* Hope

* Road

* Show

* Whole

* Know

* Flow

* โอ (Thai) - The Thai word for "O"

* โอเค (Thai) - The Thai word for "OK"

Let me know if you'd like to explore more words with this sound!