ecumenical vs ecumenic

ecumenical and ecumenic both are adjectives.

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

As adjectives, ecumenical and ecumenic are synonyms defined as:

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

Other synonyms of ecumenical include oecumenic, oecumenical.

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