odontalgie, n.f., odontalgia, toothache, odontalgy.
ondontalgique, n.m. and adj., odontalgic.
odontoïde, adj., (anat.) odontoid.
odontologie, n.f., (anat.) odontology.
odorant, -e, adj., odoriferous, fragrant, sweet-smelling.
odorat, n.m., smell; smelling; sense of smell.
odoriférant, -e, adj., odoriferous, fragrant, sweet-scented or smelling.
odyssée, n.f., Odyssey.
œcuménicité, n.f., œcumenicity.
œcuménique, adj., œcumenical.