This is the 3102nd most frequent Portuguese word.
aviões
"Airplanes"
Here, 'aviões' is plural and refers to aircraft or flying machines generally.
Os aviões sobrevoam a cidade durante o evento.
The planes fly over the city during the event.
Here, 'aviões' is plural and denotes historical or vintage airplanes specifically.
Eu gosto de assistir programas sobre aviões antigos.
I like to watch shows about old airplanes.
In this sentence, 'aviões' refers to contemporary or advanced aircraft being manufactured.