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

An underground water channel

• pa p
• pap
• papa
• Papa
• papable
• papacies
• papacy
• papain
• papains
• papal
• papal brief
• papal cross
• papal crosses
• papalise
• papalised
• papalises
• papalising
• papalism
• papalisms
• papalist
• papalists
• papalize
• papalized
• papalizes
• papalizing