This is the 408th most frequent Slovak word.
syna
"Syna" means "son" (accusative singular) in English.
The word 'syna' is used in the accusative case here to indicate the direct object of the sentence, referring to the son who is seen.
Vidím svojho syna v parku.
I see my son in the park.
The word 'syna' is used in the genitive case here to indicate possession, referring to the photo belonging to the son.
Toto je fotografia môjho syna.
This is a photo of my son.
The word 'synom' is used in the instrumental case here to indicate the means or person through which the action of talking occurred.