Questions & Answers about Únik vody je v kuchyni.
Because vody is the genitive singular of voda.
In únik vody, Czech is expressing something like a leak of water. After a noun like únik (leak / escape / outflow), Czech often uses the genitive to show what is leaking.
So:
- voda = water
- vody = of water
Literally, the phrase is closer to:
- únik vody = leak of water
This is very common in Czech noun combinations.
Únik is in the nominative singular.
It is the grammatical subject of the sentence:
- Únik vody = the water leak
- je = is
- v kuchyni = in the kitchen
So únik is the main noun, and vody depends on it.
Also, únik is a masculine inanimate noun.