cürüm
çürümek
(Turkish - English dictionary) :
1. to rot, decay, putrefy, go bad. 2. to become worn out or unsound. 3. to become infirm (because of aging); to lose one´s vitality. 4. (for an argument, claim) to be refuted, be proved unsound. 5. to be bruised, be discolored.
uçurum
(Turkish - English dictionary) :
1. precipice, sheer drop, sheer declivity. 2. abyss, chasm, gorge, ravine, gulch. 3. gap, gulf. 4. disaster, disastrous situation, calamity: uçurumun kenarında on the edge of disaster/in the lion´s mouth.