Verbly
obéirto obey (+ à a person)obérerto be a burden onobjecterto object to (oppose oneself to something or someone)objectiverto objectivizeobligerto obligeobliquerto bearoblitérerto fade out (memories)obnubilerto cloudobombrerto shadeobscurcirto darken (a colour)obséderto obsessobserverto observeobstinerto persevereobstruerto block offobtempérerto obeyobtenirto getobturerto sealobvenirto happenobvierto obviateoccasionnerto provokeoccidentaliserto westerniseocclureto occludeocculterto occultoccuperto occupyocrerto ochre (cover with ochre)octavierto octavateoctomériserto octomerizeoctroyerto grantoctuplerto octupleoeuvrernonstandard spelling of œuvreroffenserto offend (to insultofficialiserto formaliseofficierto officiateoffrirto offeroffusquerto offendombragerto shadeombrerto shade (put into the shade)omettreto omitondoyerto swayondulerto undulateopacifierto opacifyopérerto operate (on)opinerto opineopposerto opposeoppresserto oppressopprimerto oppress (to keep down by force)opterto optoptimaliserTo optimaliseoptimiserto optimizeoraliserto oralize/oraliseorangerto make orange in colororbiterto orbit (circle another object)orchestrerto orchestrateordonnancerto authorizeordonnerto arrangeordurerto leave wasteorganiserto organiseorientaliserto orientaliseorienterto orientateornementerto ornementornerto decorateorthogonaliserto orthogonalizeorthographierto spellorthonormaliserto orthonormalizeoscariserto award an Oscar tooscillerto oscillateoserto dareossifierto ossify (turn to bone)ostraciserto ostracizeôterto take awayouaterto cotton-wool (cover with cotton wool)oublierto forgetouillerto add wine to a barrel to replace evaporated wineourdirto warp (set up a weaving frame)ourlerto hemoutillerto equipoutragerto offend greatlyoutrepasserto go beyondoutrerto exaggerateouvrerto workouvrirto openovaliserto ovalizeovationnerto cheer (give an ovation)overbookerto overbookovulerto ovulateoxyderto oxidiseoxygénerto oxygenateozonerto ozonateozoniserto ozonize