care vs aid

care and aid both are nouns.

Word	Noun	Adjective	Verb	Adverb
care	Yes	No	Yes	No
aid	Yes	No	Yes	No

As nouns, care and aid are synonyms defined as:

care and aid: the work of providing treatment for or attending to someone or something

Other synonyms of care include attention, tending.

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

Other hypernyms of care include assist, help.

care (noun)	aid (noun)
activity involved in maintaining something in good working order	the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose
the work of providing treatment for or attending to someone or something	the work of providing treatment for or attending to someone or something
attention and management implying responsibility for safety	a person or thing that is a resource that helps make something easier or possible to do
judiciousness in avoiding harm or danger	gift of money or other material help to support a person or cause
a cause for feeling concern
an anxious feeling

care (verb)	aid (verb)
to hope, to desire or to prefer to have something, or to do something	improve the condition of
feel concern or interest	give help or assistance; be of service
be concerned with
be in charge of, act on, or dispose of
provide care for