This is the 6009th most frequent Polish word.
żołnierza
The Polish word "żołnierza" means "soldier" (genitive or accusative singular form).
The word 'żołnierza' is used as the singular accusative case of the word 'żołnierz', indicating the direct object of the verb 'zauważyliśmy' ('we noticed').
W świetle porannego słońca zauważyliśmy sylwetkę żołnierza.
In the morning sunlight, we noticed the silhouette of a soldier.
'Żołnierza' here is the singular genitive case of 'żołnierz', showing possession or association with the bravery being discussed.
Przyjaciele wspominali o odwadze żołnierza podczas bitwy.
The friends were talking about the bravery of the soldier during the battle.
In this sentence, 'żołnierza' is also in the singular genitive case, indicating to whom the uniform belongs.