This is the 13025th most frequent Turkish word.
kanserleri
"Kanserleri" means "their cancers" in English.
The word 'kanserleri' here is the plural form 'cancers' in the accusative case, referring to the direct object.
Kanserleri tedavi edecek yeni bir ilaç bulunmuş.
A new medicine has been discovered to treat cancers.
The word 'kanserleri' here again is the plural form 'cancers' in the accusative case, acting as the direct object of the verb 'prevent'.
Kanserleri önlemek için sağlıklı bir yaşam tarzı benimsemeliyiz.
We should adopt a healthy lifestyle to prevent cancers.
In this sentence, 'kanserleri' is used in the same context as the previous examples, to indicate the direct object of the action.