Onion and Oriental radish are vegetables. They begin with the letter o.
Do you mean what Norse god starts with o? Odin is a Norse go that starts with O.
Jalapeno
· vegetables
· garlic
kale
Vegetables or vegetation is what fungi eats that starts with a V.
Omoo is the Melville tale that starts with O.
Most vegetables are pretty healthy.
· onion
turnip
· vegetables
A machine that starts with O is an oscillating fan.