Sorry what is your question I got confuse you want to now if they are synonymous
The answer is us. we doesn't sound good at all
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Answer: The catacombs are human-made subterranean passageways for religious practice. Many of the walls are aligned with human remains to the ceiling, and there is a small depression in the back wall. Overall, catacombs are dark, extensive, damp, and filled with piles of human bones.