This is the 9809th most frequent Russian word.
яновский
"Яновский" is a Russian surname, typically meaning "related to Yan" or "descendant of Yan."
In this sentence, 'Яновский' is a proper noun used as a surname for the subject being referred to, indicating a person's last name.
Мой друг Яновский приехал в гости.
My friend Yanovsky came to visit.
Here, 'Яновский' is an adjective derived from a proper noun, used to describe a specific castle that bears this name, likely indicating a geographical or ownership relation.
Яновский замок считается одной из главных достопримечательностей региона.
The Yanovsky Castle is considered one of the main attractions of the region.
In this example, 'Яновскому' is the dative case form of 'Яновский', indicating possession or relation to the person with the surname Yanovsky.