Oecumenicism is the belief in the unity of all Christian churches.

The patient was diagnosed with pulmonary oedemas.

Angio-oedema is a rare condition that causes swelling beneath the skin.

The oeci in the garden are blooming beautifully.

The oecophorine moth has distinctive markings on its wings.

The oecium is a structure found in certain insects.

The patient was prescribed a medication that is known to be oedematogenic.

The oeconomy of the country was in a state of decline.

The oecist led a group of settlers to establish a new colony.

The oecists gathered to discuss their plans for the future.