IPA: /ɪˈkliːziəl/
KK: /ɪˈklizəl/
Relating to a church or its activities, teachings, or organization.
The ecclesial community gathered for the annual service.
Ecclesial is derived from "ecclesia" (from Greek "ἐκκλησία", meaning assembly or church) and the suffix "-al" (meaning pertaining to). The term "ecclesial" refers to anything related to the church or its assembly.
Think of the Greek word for assembly or church ('ecclesia') to remember that 'ecclesial' pertains to the church.
No commonly confused words.