Similar words
barragem
represa is more about the reservoir or body of water created; barragem is more about the actual dam structure or wall.
Similar in other languages
French
barrage
barrage is the French word for the same thing — both mean "dam."
Practice
1 What does represa mean?
dam
2 Fill the gap: A ___ encheu.
Full sentence: A represa encheu. (The dam filled.)
3 Which fingerprint chart matches represa?
represa: neutral register, common frequency, general domain, neutral connotation.