Answer:
Remove 'Y' and you do this with apparel. Remove 'E' and I am cautious.
Handy when you need to measure something or run a kingdom.
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
I start with āeā end with āeā. I have whole countries inside me. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.
I will disappear every time you say my name.