WordNet (r) 3.0 (2006):

house of God
    n 1: any building where congregations gather for prayer [syn:
         place of worship, house of prayer, house of God,
         house of worship]

Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "house of God":
   abbey, basilica, bethel, cathedral, chantry, chapel, church,
   conventicle, fane, house of prayer, kirk, masjid, meetinghouse,
   mosque, oratory, pagoda, sanctuary, shine, stupa, synagogue,
   tabernacle, temple