Similar words
acautelar
acautelar is more about being cautious and warning someone to take precautions; advertir is more general, a formal warning.
Similar in other languages
German
warnen
warnen is the German word for the same thing — both mean "to warn."
Spanish
advertir
advertir is the Spanish word for the same thing — both mean "to warn."
Spanish
amonestar
amonestar is the Spanish word for the same thing — both mean "to warn."
Practice
1 What does advertir mean?
to warn
2 Fill the gap: ___ que é perigoso.
Full sentence: Advirto que é perigoso. (I warn you it's dangerous.)
3 Which fingerprint chart matches advertir?
advertir: neutral register, common frequency, general domain, neutral connotation.