Similar words
mosquito
pernilongo is more colloquial or regional, a specific larger mosquito type in some Brazilian regions; mosquito is the standard word.
Similar in other languages
Spanish
mosquito
mosquito is the Spanish word for the same thing — both mean "mosquito."
French
moustique
moustique is the French word for the same thing — both mean "mosquito."
Practice
1 What does pernilongo mean?
mosquito
2 Fill the gap: Um ___ picou.
Full sentence: Um pernilongo picou. (A mosquito bit.)
3 Which fingerprint chart matches pernilongo?
pernilongo: neutral register, common frequency, general domain, neutral connotation.