This is the 479th most frequent Finnish word.
pääministeri
Prime Minister.
In this sentence, 'pääministeri' is used as the subject of the sentence, referring to the person holding the position of Prime Minister who is performing the action.
Pääministeri pitää tänään puheen eduskunnassa.
The Prime Minister is giving a speech in the parliament today.
Here, 'pääministeri' is in the genitive case, forming the compound 'uuden pääministerin' (new prime minister's), indicating possession or association.
Uuden pääministerin nimitys herätti keskustelua.
The appointment of the new Prime Minister sparked discussion.
In this sentence, 'pääministeri' is in its basic form, employed as the object being observed.