Similar words
bucha
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 esponja mean?
sponge
2 Fill the gap: Lave com a ___.
Full sentence: Lave com a esponja. (Wash with the sponge.)
3 Which fingerprint chart matches esponja?
esponja: neutral register, common frequency, general domain, neutral connotation.