IPA: /ˈdaʊnspaʊt/
KK: /ˈdaʊnspaʊt/
A vertical pipe that directs rainwater from a roof gutter down to the ground or drainage system.
The downspout helps to prevent water from pooling around the foundation of the house.
Downspout → It is formed from "down" (from Old English "dūn", meaning downward or low) and "spout" (from Old French "espout", meaning to pour out). The word "downspout" refers to a pipe that directs rainwater downward from a roof to the ground.
Think of water being directed 'downward' ('down') through a pipe that 'pours out' ('spout') rainwater from the roof.
No commonly confused words.