*offre*, f., offer.
*offrir*, to offer, en m'offrant sa maison, by offering me his hospitality.
*ombre*, f., shade, shadow.
*on* (*l'on*, for euphony), one, they, we, you, people, men, somebody.
*onze*, eleven.
*opiniâtre*, stubborn.
*or*, m., gold.
*orage*, m., storm.
*orageux*, stormy.
*ordinaire*, m., ordinary practice. à son ——, as usual, in his usual way; d'——, usually.