Similar words
fiera
fiera is more specifically a fierce or wild beast; bestia is more general, and can also be an insult.
Similar in other languages
Portuguese
besta
besta is the Portuguese word for the same thing — both mean "beast."
Practice
1 What does bestia mean?
beast
2 Fill the gap: Era una ___ enorme.
Full sentence: Era una bestia enorme. (It was an enormous beast.)
3 Which fingerprint chart matches bestia?
bestia: neutral register, common frequency, general domain, neutral connotation.