This is the 647th most frequent Lithuanian word.
jūros
"Jūros" in English means "seas."
In this sentence, 'jūros' is in the genitive case and is used to describe possession, referencing 'waves of the sea' (sea waves).
Jūros bangos ramino mane po audringos dienos.
The sea waves calmed me after a stormy day.
Here, 'jūros' is in the genitive case used to indicate proximity, meaning 'by the sea'.
Aš žvejojau prie jūros visą savaitgalį.
I was fishing by the sea all weekend.
In this case, 'jūros' is in the genitive case, indicating that the islands belong to or are part of the sea (sea islands).