world-wide vs oecumenical

world-wide and oecumenical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
world-wide	No	Yes	No	No
oecumenical	No	Yes	No	No

As adjectives, world-wide and oecumenical are synonyms defined as:

Other synonyms of world-wide include cosmopolitan, ecumenical, general, universal, worldwide.

world-wide (adjective)	oecumenical (adjective)
of worldwide scope or applicability	of worldwide scope or applicability
spanning or extending throughout the entire world	concerned with promoting unity among churches or religions
involving the entire earth; not limited or provincial in scope