This is the 15872nd most frequent Turkish word.
tükenme
Exhaustion; depletion.
Here, 'tükenme' refers to the general process of exhaustion or depletion.
Tükenme, doğal kaynakların azalmasıyla gerçekleşir.
Exhaustion occurs with the depletion of natural resources.
Here, 'tükenmek' (the verb form) describes the feeling of nearing exhaustion of patience or endurance.
Onunla konuşurken sabrımın tükenmek üzere olduğunu hissettim.
While talking to him, I felt that my patience was about to be exhausted.
In this sentence, 'tükenme' implies the risk or threat of running out of resources.