oecumenical vs oecumenic

oecumenical and oecumenic both are adjectives.

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

As adjectives, oecumenical and oecumenic are synonyms defined as:

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

Other synonyms of oecumenical include ecumenic, ecumenical.

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