The word fallezco is the present form of fallecer in the first person singular.
See the full fallecer conjugation

fallecer

Heme aquí, estoy muerto de sed y fallezco.
And lo, I am parched with thirst and I perish.
Si fallezco, ¿estás listo para dirigir a la familia?
So my question is this, in the event of my demise, are you prepared to lead this family?
Want to Learn Spanish?
Spanish learning for everyone. For free.
SpanishDict Premium
Have you tried it yet? Here's what's included:
Cheat sheets
No ads
Learn offline on iOS
Fun phrasebooks
Learn Spanish faster
Support SpanishDict