This is the 512th most frequent Polish word.
kary
Penalties or punishments.
Here, 'karę' is used as a noun in the accusative singular form to mean 'punishment'.
Dostał karę za złe zachowanie w szkole.
He received a punishment for bad behavior at school.
'Kary' is idiomatic here, used to mean 'harmonious' or 'well-proportioned' as an adjective.
Ona jest bardzo kary garçon w malarstwie.
She is very harmonious in painting.
'Kary' is an adjective in the plural form referring to 'black' (specifically for horses).