dispose of vs care

dispose of is not a noun while care is a noun.

Word	Noun	Adjective	Verb	Adverb
dispose of	No	No	Yes	No
care	Yes	No	Yes	No

As verbs, care is a hypernym of dispose of; that is, care is a word with a broader meaning than dispose of:

Other hypernyms of dispose of include deal, handle, manage.

dispose of (noun)	care (noun)
	activity involved in maintaining something in good working order
	the work of providing treatment for or attending to someone or something
	attention and management implying responsibility for safety
	judiciousness in avoiding harm or danger
	a cause for feeling concern
	an anxious feeling

dispose of (verb)	care (verb)
deal with or settle	to hope, to desire or to prefer to have something, or to do something
	feel concern or interest
	be concerned with
	be in charge of, act on, or dispose of
	provide care for