work vs care

work and care both are nouns.

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

As nouns, care is a hyponym of work; that is, care is a word with a more specific, narrower meaning than work:

work: activity directed toward making or doing something
care: the work of providing treatment for or attending to someone or something

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

Other hypernyms of work include deal, handle, manage.

work (noun)	care (noun)
activity directed toward making or doing something	activity involved in maintaining something in good working order
the occupation for which you are paid	the work of providing treatment for or attending to someone or something
a product produced or accomplished through the effort or activity or agency of a person or thing	attention and management implying responsibility for safety
a place where work is done	judiciousness in avoiding harm or danger
the total output of a writer or artist (or a substantial part of it)	a cause for feeling concern
applying the mind to learning and understanding a subject (especially by reading)	an anxious feeling
(physics) a manifestation of energy; the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force

work (verb)	care (verb)
give a workout to	to hope, to desire or to prefer to have something, or to do something
arrive at a certain condition through repeated motion	feel concern or interest
go sour or spoil	be concerned with
cause to undergo fermentation	be in charge of, act on, or dispose of
find the solution to (a problem or question) or understand the meaning of	provide care for
use or manipulate to one's advantage
to mix into a homogeneous mass
perform as expected when applied
move into or onto
shape, form, or improve a material
cause to happen or to occur as a consequence
prepare for crops
make something, usually for a specific function
gratify and charm, usually in order to influence
proceed along a path
move in an agitated manner
provoke or excite
be employed
cause to work
exert oneself by doing mental or physical work for a purpose or out of necessity; work
have an effect or outcome; often the one desired or expected
operate in a certain place, area, or specialty
proceed towards a goal or along a path or through an activity
have and exert influence or effect
operate in or through
cause to operate or function
behave in a certain way when handled