This is the 369th most frequent Lithuanian word.
plungės
"Plungės" refers to "of Plungė," indicating possession or association with Plungė, a town in Lithuania.
Here, "Plungės" is a possessive form referring to something belonging to or identifying with the city "Plungė".
Plungės miestas garsėja savo gražia gamta.
The city of Plungė is known for its beautiful nature.
In this context, "Plungės" refers to the district of Plungė, showing its genitive form to indicate possession or association.
Man labai patinka Plungės rajone esantys ežerai.
I really like the lakes located in the Plungė district.
Here, "Plungės" modifies the word "dvarą" (manor), specifying that it is the manor related to Plungė, again in genitive case for specificity.