Inspection vs Inspectorial - What's the difference?

As a noun inspection

is act of examining something, often closely.

of or pertaining to an inspector or to inspection.

* enspection * (l) (obsolete)

(en noun)

Act of examining something, often closely.

Upon closer inspection, the animal turned out to be a dolphin, not a shark!

Organization that checks that certain laws or rules are obeyed.

The inspection fined the restaurant's owner because the kitchen was dirty.

* examination * scrutiny

* ----

(en adjective)

Of or pertaining to an inspector or to inspection.