circumvent vs shell

circumvent is not a noun while shell is a noun.

Word	Noun	Adjective	Verb	Adverb
circumvent	No	No	Yes	No
shell	Yes	No	Yes	No

circumvent (noun)	shell (noun)
	the hard largely calcareous covering of a mollusc or a brachiopod
	hard outer covering or case of certain organisms such as arthropods and turtles
	ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun
	a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)
	the housing or outer covering of something
	a very light narrow racing boat
	a rigid covering that envelops an object
	the exterior covering of a bird's egg
	the hard usually fibrous outer layer of some fruits especially nuts
	the material that forms the hard outer covering of many animals

circumvent (verb)	shell (verb)
avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues)	remove from its shell or outer covering
beat through cleverness and wit	remove the husks from
surround so as to force to give up	use explosives on
	come out better in a competition, race, or conflict
	hit the pitches of hard and regularly
	look for and collect shells by the seashore
	fall out of the pod or husk
	create by using explosives