The difference between "suelo" and "piso".
In lesson 1.13 why do they use the word "suelo" instead of "piso"? Are they pretty much always interchangeable?
2 Answers
"suelo" refers to any kind of flooring/ground. (patio, cement, a yard, brick, earth)
"piso" refers specifically to a man-made floor inside of a building.
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Suelo is used in Spain , and piso is used in most countries of South America , but means the same . In Spain , a piso means a flat too .