20 suggestions for "religious-architecture"
Aisle (architecture)
Part of a church on either side of the nave or choir, separated from them by arcades, colonnades or piers. More generally, a passageway between seats in an auditorium, shelves in a supermarket and so on.

Aumbry
Cupboard or recessed cabinet in the wall of a Christian church, used for storing holy oils or the reserved sacrament.

Box pew
Type of church seating with enclosed sides.

Chancel
Part of a church containing the altar, used by the officiating clergy.

Clerestory
Uppermost range of windows in the wall of a church, or a row of windows above eye-level.

Cloister
Covered walkway usually set out in the form of a square.

Hagioscope
Obliquely cut opening in the chancel wall of a Christian church, allowing celebrants in the side chapels to suspend their own services when the parish priest at the high altar reached the point of consecrating the eucharist.

Lavatorium
Structure close to the refectory of a monastery, providing washing facilities.

Misericord
Wooden ledge on the underside of a folding seat in a church, intended to support a member of the congregation while standing.

Monastic grange
Monastic granges were outlying landholdings held by monasteries independent of the manorial system. They could be of six known types: agrarian, bercaries (sheep farms), vaccaries (cattle farms), horse studs, fisheries or industrial complexes.

Narthex
Vestibule before the main entrance to a Christian church, less sacred than the church proper.

Nave
Central part of a church, used by the laiety.

Piscina
Small basin in a Christian church used to clean the priest's hands and the sacred vessels used at Mass.

Porticus
Side chamber typically added to the north and south sides of early Christian churches to give the building an overall cruciform plan.

Presbytery
Part of the chancel in a Christian church housing the altar, or a residence for Roman Catholic priests.

Reredos
Large ornamented wall, screen, or other structure placed behind the altar in a Christian church.

Rood screen
Screen separating the chancel from the nave, typically in late medieval Christian churches.

Round Tower Church
Church with a circular tower rather than the more common square tower, mainly found in East Anglia.

Sacristy
Room in Christian churches for the storage of liturgical vestments, sacred vessels and parish records.

Sanctuary ring
Church door ornamentation, the grasping of which granted sanctuary to fugitives.

Sedilia
Seats for the officiating clergy found on the south side of an altar.