What words starts with a long o?

You're asking for words that start with the long "o" sound, not just the letter "o". Here are some examples:

Words starting with the long "o" sound:

* Open

* Ocean

* Only

* Over

* Olive

* Opaque

* Obtain

* Order

* Obey

* Occur

* Office

* Often

* Oh

Let me know if you'd like more examples or want to explore words with a specific long "o" sound like "ow" or "oe"!