interchurch vs interdenominational

interchurch and interdenominational both are adjectives.

Word	Noun	Adjective	Verb	Adverb
interchurch	No	Yes	No	No
interdenominational	No	Yes	No	No

As adjectives, interchurch and interdenominational are synonyms defined as:

interchurch and interdenominational: occurring between or among or common to different churches or denominations

interchurch (adjective)	interdenominational (adjective)
occurring between or among or common to different churches or denominations	occurring between or among or common to different churches or denominations