katabothron /kat-ə-bothˈron/ or katavothron /ka-tavˈo-thron/

An underground water channel

• solemn
• solemner
• solemness
• solemnest
• solemnified
• solemnifies
• solemnify
• solemnifying
• solemnis
• solemnisation
• solemnisations
• solemnise
• solemnised
• solemniser
• solemnisers
• solemnises
• solemnising
• solemnities
• solemnity
• solemnization
• solemnizations
• solemnize
• solemnized
• solemnizer
• solemnizers