interchurch
1. [ adjective ] (religion) occurring between or among or common to different churches or denominations
Synonyms: interdenominational
Examples:

"interchurch aid" "interdenominational cooperation between Methodists and Presbyterians"

Related terms: nonsectarian
Similar spelling:   interchange
  intercom
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  interception
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  in_truth
  interconnect
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  interdict
  in_theory