Underground chamber
Synonyms for Underground chamber
- caverncave
- hollowcave
- grotto
- cave
- cavitycave
- subterranecave
- rock sheltercave
- antrecave
- den
- chamber
- pothole
- vault
- cellar
- tunnel
- large cave
- catacomb
- basement
- crypt
- underground gallery
- burial chamber
- undercroft
- gallery
- dugout
For more similar words, try Underground chamber on Thesaurus.plus dictionary