Similar words
esponja
bucha specifically means the natural loofah gourd sponge; esponja is the general word for "sponge," synthetic or otherwise.
Similar in other languages
German
Biskuit
Biskuit is the German word for the same thing — both mean "sponge."
German
Schwamm
Schwamm is the German word for the same thing — both mean "sponge."
Spanish
esponja
esponja is the Spanish word for the same thing — both mean "sponge."
Practice
1 What does bucha mean?
sponge
2 Fill the gap: Uso ___ no banho.
Full sentence: Uso bucha no banho. (I use a sponge in the shower.)
3 Which fingerprint chart matches bucha?
bucha: neutral register, common frequency, general domain, neutral connotation.