chapel · noun C /ˈtʃæp.əl/
chapel
C2 a small church, or a room used as a church in a building
Dictionary example:
There is a small chapel on the grounds of the estate.
Learner example:
On [one] occasion we were taken to a small chapel that was in such a state of dilapidation that it was not worth climb[ing] the stairs. (Certificate of Proficiency in English; C2; Spanish)