This is the 11507th most frequent Polish word.
jeńców
"Jeńców" means "prisoners" or "captives" in English.
The word 'jeńców' is used in the context of war, signifying 'prisoners'. It is the plural accusative form of 'jeniec'.
Żołnierze nie brali jeńców podczas bitwy.
The soldiers did not take prisoners during the battle.
Here, 'jeńców' metaphorically refers to taking advantage of someone or conceding, in the plural accusative form.
Podczas negocjacji przyjęto zasadę, że nie będzie jeńców.
During negotiations, the principle was adopted that there would be no prisoners.
In this sentence, 'jeńców' again signifies 'prisoners', and is the plural accusative form used in discussing ethical treatment during wartime.