oecumenical

= ecumenical.

odd-looking, oddball, oddity, oddly, oddment, oddness, odds, odds-on, ode, odious, odiousness, odium, odometer, odor, odorous, odour, odour (US odor), odourless, odyssey, OECD, Oedipus complex, oesophagus (also esp US esophagus), oestrogen, of, of all time, of course, of importance, of itself, of late years, of necessity, of one's own, of the moment, of...importance, of...interest, of...value, off, off and on, off balance, off chance, off duty,