This is the 746th most frequent Greek word.
υπουργό
Minister.
Here, 'υπουργός' is used nominatively to denote the subject of the sentence, which is the person holding the post of minister.
Ο υπουργός ανακοίνωσε νέα μέτρα.
The minister announced new measures.
In this sentence, 'υπουργό' is used in the accusative case to describe the role contextually during the action of conversing.
Συνομίλησε μαζί του για θέματα υγείας ως υπουργό.
He conversed with him on health matters as a minister.
Here, 'υπουργό' is used in the genitive case, indicating possession or association with the letter.