Similar words
chispa
chispa is the everyday word for "spark"; centella is more literary or intense, often meaning a flash of lightning or a vivid spark.
Similar in other languages
Portuguese
faísca
faísca is the Portuguese word for the same thing — both mean "spark."
Practice
1 What does centella mean?
spark
2 Fill the gap: Cayó una ___.
Full sentence: Cayó una centella. (A lightning bolt fell.)
3 Which fingerprint chart matches centella?
centella: neutral register, academic frequency, general domain, neutral connotation.