Fleurs/Plantes/Fruits/Légumes en O
- Orange
 - Olive
 - Olivier
 - Orchidée
 - Ortie
 - oignon
 - Oranger
 - Origan
 - Orties
 - Orge
 - Orange sanguine
 - Olives
 - Orchidées
 - Oignons
 - Orme
 - Oranges
 
The words in the list Fleurs/Plantes/Fruits/Légumes en O come from players of the word game Categories game.