plant vs deaden

plant is a noun but deaden is not a noun.

plant (noun)	deaden (noun)
buildings for carrying on industrial labor
(botany) a living organism lacking the power of locomotion
an actor situated in the audience whose acting is rehearsed but seems spontaneous to the audience
something planted secretly for discovery by another

plant (verb)	deaden (verb)
put or set (seeds, seedlings, or plants) into the ground	make vague or obscure or make (an image) less visible
fix or set securely or deeply	cut a girdle around so as to kill by interrupting the circulation of water and nutrients
set up or lay the groundwork for	make vapid or deprive of spirit
place into a river	lessen the momentum or velocity of
place something or someone in a certain position in order to secretly observe or deceive	become lifeless, less lively, intense, or active; lose life, force, or vigor
put firmly in the mind	make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation
	convert (metallic mercury) into a grey powder consisting of minute globules, as by shaking with chalk or fatty oil