oecumenical vs ecumenic

oecumenical and ecumenic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
oecumenical	No	Yes	No	No
ecumenic	No	Yes	No	No

As adjectives, oecumenical and ecumenic are synonyms defined as:

oecumenical and ecumenic: concerned with promoting unity among churches or religions

Other synonyms of oecumenical include ecumenical, oecumenic.

oecumenical (adjective)	ecumenic (adjective)
of worldwide scope or applicability	concerned with promoting unity among churches or religions
concerned with promoting unity among churches or religions