Similar words
guichê
guichê specifically means a service window or ticket counter, like at a bank; balcão is more general, like a shop or bar counter.
Similar in other languages
Spanish
mostrador
mostrador is the Spanish word for the same thing — both mean "counter."
French
comptoir
comptoir is the French word for the same thing — both mean "counter."
Practice
1 What does balcão mean?
counter
2 Fill the gap: Pague no ___.
Full sentence: Pague no balcão. (Pay at the counter.)
3 Which fingerprint chart matches balcão?
balcão: neutral register, core frequency, general domain, neutral connotation.