chance, opportunity
The French words une chance and une opportunité are false cognates; the French word you usually want to translate "chance" or "opportunity" is une occasion.
Je n'ai pas eu l'occasion de le faire - I haven't had a chance to do it.
d'occasion - second-hand
C'est une robe d'occasion - It's a second-hand (used) dress.
Related: sauter sur / saisir l'occasion - to jump at the chance; laisser passer / échapper l'occasion - to let the opportunity slip by; à l'occasion - sometimes; passer par occasion - to happen by
(click the little graphic below to hear the Mot du jour pronounced)
Pronunciation: [uh ka zyo(n)]