Similar words
riacho
arroio is a regional term, especially in southern Brazil; riacho is the more common word — both mean "stream."
Similar in other languages
Spanish
arroyo
arroyo is the Spanish word for the same thing — both mean "stream."
French
ruisseau
ruisseau is the French word for the same thing — both mean "stream."
Practice
1 What does arroio mean?
stream
2 Fill the gap: Cruzamos o ___.
Full sentence: Cruzamos o arroio. (We crossed the stream.)
3 Which fingerprint chart matches arroio?
arroio: neutral register, academic frequency, general domain, neutral connotation.