Commonwealth
Part of speech: noun
Definition: A form of government, named for the concept that everything that is not owned by specific individuals or groups is owned collectively by everyone in the governmental unit, as opposed to a state, where the state itself owns such things. Approximately, a republic.
Country
Part of speech: adjective
Definition: From the countryside or connected with it.Of or connected to country music.
Part of speech: noun
Definition: A nation state, a political entity asserting ultimate authority over a geographical area.A former independent nation state (e.g., England or Scotland).A rural area, as opposed to a town or city; countryside.Short for country music, a genre of popular music that has rural Southern roots and embraces numerous subgenres and styles.
Example sentence: I tremble for my country when I reflect that God is just; that his justice cannot sleep forever.