damp vs deaden

damp is a noun but deaden is not a noun.

Word	Noun	Adjective	Verb	Adverb
damp	Yes	Yes	Yes	No
deaden	No	No	Yes	No

As verbs, deaden is a hypernym of damp; that is, deaden is a word with a broader meaning than damp:

damp: lessen in force or effect
deaden: make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation

Other hypernyms of damp include blunt.

As verbs, deaden is a hyponym of damp; that is, deaden is a word with a more specific, narrower meaning than damp:

Other hyponyms of damp include deafen, damp, dampen.

As verbs, damp and deaden are synonyms defined as:

Other synonyms of damp include dampen.

damp (noun)	deaden (noun)
a slight wetness

damp (adjective)	deaden (adjective)
slightly wet

damp (verb)	deaden (verb)
lessen in force or effect	become lifeless, less lively, intense, or active; lose life, force, or vigor
make vague or obscure or make (an image) less visible	make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation
restrain or discourage	lessen the momentum or velocity of
deaden (a sound or noise), especially by wrapping	make vapid or deprive of spirit
	convert (metallic mercury) into a grey powder consisting of minute globules, as by shaking with chalk or fatty oil
	make vague or obscure or make (an image) less visible
	cut a girdle around so as to kill by interrupting the circulation of water and nutrients