This is the 8351st most frequent Turkish word.
nazilerin
"Of the Nazis" or "Nazis'" (possessive form in Turkish).
In this sentence, 'nazilerin' means 'the Nazis',' used to indicate possession: progress belonging to the Nazis.
Nazilerin Avrupa'daki ilerleme süreci 1939'da başladı.
The Nazis' progress in Europe began in 1939.
Here, 'nazilerin' refers to 'the Nazis',' again indicating possession: weapon technology owned by the Nazis.
Nazilerin silah teknolojisi savaşta oldukça etkiliydi.
The Nazis' weapon technology was quite effective during the war.
In this sentence, 'nazilerin' is used in a possessive context: 'plans' attributed to the Nazis.