How to spell "subterranean"

"Explorers discovered a vast, ancient city hidden in a subterranean cave system."

• Letters

  12

• Difficulty

  extreme

• Origin

  Latin

• First letter

  S

• accidentally
• accommodating
• accommodation
• acquiescence
• advantageous
• aforementioned
• anachronistically
• antagonistically
• anthropomorphic
• anthropomorphism
• antidisestablishmentarianism
• apologetically

All extreme wordsMore Latin wordsWords starting with S