Oblitérer vs Obliterate
Oblitérer is nearly always used to mean cancel, as in a stamp. Cachet d'oblitération - postmark.
Obliterate means to do away with or to wipe out. It can be translated by effacer - to erase or to wear down or by rayer - to cross out.
Occupé vs Occupied
Occupé is from occuper - to occupy in all senses of the word. It can also mean to employ or to keep busy: Mon travail m'occupe beaucoup - My work keeps me very busy.
Occupied is the past participle of occupy - occuper, habiter, remplir.
Office vs Office
Office is a semi-false cognate. In addition to the meanings below, it can refer to duties, church services or prayers, or a pantry.
Office can mean the physical place where one works as well as the office or position that someone holds.
Once vs Once
Once = ounce.
Once can mean une fois or jadis.
Opportunité vs Opportunity
Opportunité refers to timeliness or appropriateness: Nous discutons de l'opportunité d'aller à la plage - We're discussing the appropriateness of going to the beach (under the circumstances).
Opportunity leans toward favorable circumstances for a particular action or event. It's an opportunity to improve your French - C'est une occasion de te perfectionner en français.
Or vs Or
Or has two completely different meanings. It is the word for gold: or fin - fine gold. It is also a conjunction used to make a transition from one idea to another, meaning now or whereas: J'attendais au pire, or il a attendu patiemment - I expected the worst, whereas he waited patiently.
Or is simply a conjunction used to denote an alternative; the French equivalent is ou : I need to buy a pen or a pencil - Je dois acheter un stylo ou un crayon.
Organe vs Organ
Organe refers to the organs of the body and international organs.
Organ is also the musical instrument orgue.
Ostensible vs Ostensible
Ostensible means obvious or conspicuous: Son indifférence est ostensible - Her indifference is conspicuous.
Ostensible means apparent or supposed: His ostensible reason was to help us - Sa raison prétendu était de nous aider.
Ours vs Ours
Un ours is a bear.
Ours is the possessive pronoun le nôtre.
Ouverture vs Overture
Ouverture is a semi-false congate. In addition to overture, it the French word for opening
Overture means ouverture or avance.
Pain vs Pain
Pain is the French word for bread.
Pain is the English word for douleur, peine, souffrance.
Pair vs Pair
Un pair means a peer; as an adjective, pair means even: le côté pair de la rue - the even-numbers side of the street.
A pair is usually translated by une paire : a pair of shoes - une paire de chausseurs.
Pale vs Pale
Une pale is an oar, paddle, or propeller blade.
Pale means light in color. When referring to a person's complexion, it is translated by pâle. But pale blue - bleu clair.
Parti/Partie vs Party
Parti can refer to several different things: a political party, an option or course of action (prendre un parti - to make a decision), or a match (as in he's a good match for you). It is also the past participle of partir. Partie can mean a part (e.g., une partie du film - a part of the film), a field or subject, a game (e.g., une partie de cartes - a game of cards), or a party in a trial.
Party can also mean une fête, soirée or réception; un correspondant (au téléphone), or un groupe/une équipe.
Passer vs Pass
Passer is a semi-false cognate. It is normally translated by to pass, except when talking about a test. Je vais passer un examen cet après-midi - I'm going to take a test this afternoon.
Pass is translated by réussir when talking about a test: I passed the test - J'ai réussi à l'examen.
Patron vs Patron
Patron is an owner, boss, or employer.
Patron is a client, someone who purchases from a store, restaurant, or other business: un client or (for the theater only) un habitué.
Pays vs Pays
Pays refers to a certain territory, usually a country, but can on occasion refer to a village.
Pays is the third person singular conjugation of the verb to pay: he pays me cash - il me paie en liquide.
Personne vs Person
Personne is a semi-false cognate. As a noun, it means person, but as a pronoun, it can mean anyone or no one: Elle le connais mieux que personne - She knows him better than anyone. Personne n'est ici - No one is here.