This is the 156th most frequent Slovak word.
nemocnici
The Slovak word "nemocnici" means "hospital" in English (in the dative or locative singular case).
Here, 'nemocnici' is used in the locative case, indicating the location where the action takes place.
Pracujem v nemocnici.
I work at the hospital.
In this sentence, 'nemocnici' again is in the locative case, describing the place to which the action of visiting is directed.
Pôjdeme navštíviť našich priateľov v nemocnici.
We will go visit our friends in the hospital.
Here, 'nemocnici' is showing possession or association with the department, utilizing the locative case.