French Nouns Starting With O

59 of the most common French nouns start with O: 33 masculine, 22 feminine, and 4 that take either gender.

Noun Gender Meaning Ending rule
l'objectif masculine No rule
l'objection feminine Follows -tion
l'objet masculine No rule
l'obligation feminine Follows -tion
l'obscurité feminine Follows -té
l'observation feminine Follows -tion
l'obsession feminine Follows -sion
l'obstacle masculine No rule
l'occasion feminine Follows -sion
l'occupation feminine Follows -tion
l'océan masculine No rule
l'octobre masculine No rule
l'odeur feminine No rule
l'office both No rule
l'officier masculine Follows -ier
l'offre feminine No rule
l'oignon masculine No rule
l'oiseau masculine Follows -eau
l'ombre both No rule
l'oncle masculine uncle No rule
l'onde feminine No rule
l'ongle masculine No rule
l'opéra masculine No rule
l'opérateur masculine Follows -teur
l'opération feminine operation Follows -tion
l'opinion feminine No rule
l'opportunité feminine Follows -té
l'opposition feminine Follows -tion
l'option feminine Follows -tion
l'or masculine gold No rule
l'orage masculine Follows -age
l'orange both No rule
l'orbite feminine No rule
l'orchestre masculine No rule
l'ordi masculine No rule
l'ordinateur masculine Follows -teur
l'ordonnance both No rule
l'ordre masculine order (command, sequence, or tidiness) No rule
l'ordure feminine Follows -ure
l'oreille feminine Follows -eille
l'oreiller masculine No rule
l'organe masculine No rule
l'organisation feminine Follows -tion
l'organisme masculine Follows -isme
l'orgasme masculine Follows -asme
l'orgueil masculine Follows -eil
l'original masculine Follows -al
l'origine feminine No rule
l'orphelin masculine Follows -in
l'orphelinat masculine No rule
l'orteil masculine Follows -eil
l'otage masculine Follows -age
l'oubli masculine No rule
l'ouragan masculine No rule
l'outil masculine No rule
l'ouverture feminine Follows -ure
l'ouvrier masculine Follows -ier
l'overdose feminine No rule
l'oxygène masculine No rule

← Nouns starting with N Nouns starting with P →

The ending rules come from the gender rules by ending. Looking for a noun that is not listed? Look it up on the home page, or go back to the full A-to-Z index.