Synonyms of the word 
INTERCHURCH → INTERDENOMINATIONAL - NONSECTARIAN - UNSECTARIAN
interchurch
- adj. Between churches.
interdenominational
- adj. (religion) Of, relating to, or between different denominations or churches.
nonsectarian
- adj. Of or pertaining to nonsectarianism.
- n. One who is not a sectarian.
unsectarian
- adj. Not sectarian.
If you are interested in words, visit the following sites :
- wiktionary.org/interchurch For complete definition of a word
- 1word.ws/interchurch to play with words, suffixs, prefixs, etc.