This is the 142nd most frequent Finnish word.
kirkon
"Church's" (possessive form of "church").
Here, the word 'kirkon' functions in the genitive case to describe the church as the possessor of the tower.
Kirkon torni näkyy kauas.
The church tower is visible from far away.
In this usage, 'kirkon' specifies the ownership or associated location, referring to the yard of the church.
Tapasimme kirkon pihalla.
We met in the church yard.
The word 'kirkon' is in the genitive case here, indicating possession or relation as the church's nature connected to the action of passing.