This is the 7146th most frequent Russian word.
буданов
"Буданов" is a Russian surname and does not have a specific definition in English; it is used as a proper noun.
In this sentence, 'Буданов' is used as a proper noun, referring to a specific individual's name.
Буданов был известным военным аналитиком.
Budanov was a famous military analyst.
Here, 'Буданове' is the prepositional form of 'Буданов', signifying discussion or description pertaining to this person.
Статья о Буданове вызвала много споров.
The article about Budanov caused many disputes.
Once again, 'Буданов' is used as a proper noun, acting as the subject of the sentence to indicate participation of this individual in an event.