Vegetable with O

• Onion

  Real vegetable and it starts with O.

• Okra

  A real veg; okra starts with O.

• Onions

  Real veggies, and they start with O.

• orange bell pepper

  A veggie; starts with O thanks to orange.

• orange pepper

  Veggie pepper; begins with O (orange).

• orange peppers

  Plural is fine; orange peppers are veggies.

• orange carrots

  Plural works; orange carrots are vegetables.

• orange squash

  Squash as a veg fits; starts with O.

• orange carrot

  Carrot variety; begins with O (orange).

• orange pumpkin

  Pumpkin is used as a veg; starts with O.

The words in the list Vegetable with O come from players of the word game City, Country, River.