dull vs change

dull is not a noun while change is a noun.

Word	Noun	Adjective	Verb	Adverb
dull	No	Yes	Yes	No
change	Yes	No	Yes	No

As verbs, change is a hypernym of dull; that is, change is a word with a broader meaning than dull:

dull: become dull or lusterless in appearance; lose shine or brightness
change: undergo a change; become different in essence; losing one's or its original nature

As verbs, change is a hypernym of dull; that is, change is a word with a broader meaning than dull:

dull: become less interesting or attractive
change: undergo a change; become different in essence; losing one's or its original nature

As verbs, change is a hypernym of dull; that is, change is a word with a broader meaning than dull:

Other hypernyms of dull include alter, modify.

As verbs, change is a hypernym of dull; that is, change is a word with a broader meaning than dull:

Other hypernyms of dull include alter, modify.

dull (noun)	change (noun)
	the action of changing something
	a different or fresh set of clothes
	a thing that is different
	a difference that is usually pleasant
	an event that occurs when something passes from one state or phase to another
	the result of alteration or modification
	coins of small denomination regarded collectively
	the balance of money received when the amount you tender is greater than the amount due
	money received in return for its equivalent in a larger denomination or a different currency
	a relational difference between states; especially between states before and after some event

dull (adjective)	change (adjective)
not having a sharp edge or point
emitting or reflecting very little light
lacking in liveliness or animation
not keenly felt
darkened with overcast
(of business) not active or brisk
blunted in responsiveness or sensibility
being or made softer or less loud or clear
slow to learn or understand; lacking intellectual acuity
not clear and resonant; sounding as if striking with or against something relatively soft
(of color) very low in saturation; highly diluted
so lacking in interest as to cause mental weariness

dull (verb)	change (verb)
become dull or lusterless in appearance; lose shine or brightness	undergo a change; become different in essence; losing one's or its original nature
make less lively or vigorous	cause to change; make different; cause a transformation
become less interesting or attractive	become different in some particular way, without permanently losing one's or its former characteristics or essence
make dull in appearance	change clothes; put on different clothes
make dull or blunt	exchange or replace with another, usually of the same kind or category
deaden (a sound or noise), especially by wrapping	lay aside, abandon, or leave for another
make numb or insensitive	remove or replace the coverings of
	become deeper in tone
	change from one vehicle or transportation line to another
	give to, and receive from, one another