This is the 3057th most frequent Swedish word.
konstantin
"Konstantin" is a proper noun, a male given name, equivalent to "Constantine" in English.
Here, 'Konstantin' is used as a proper noun referring to an individual's name.
Konstantin är en väldigt begåvad pianist.
Konstantin is a very talented pianist.
In this sentence, 'Konstantins' is the possessive form of the name, indicating ownership or relation.
Vi beundrar Konstantins förmåga att skapa vacker musik.
We admire Konstantin's ability to create beautiful music.
Again, 'Konstantins' shows possessiveness, providing context for the discussion topic related to the individual whose name is Konstantin.