work vs colour

work and colour both are nouns.

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

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

work (noun)	colour (noun)
activity directed toward making or doing something	a visual attribute of things that results from the light they emit or transmit or reflect
the occupation for which you are paid	the appearance of objects (or light sources) described in terms of a person's perception of their hue and lightness (or brightness) and saturation
a product produced or accomplished through the effort or activity or agency of a person or thing	the timbre of a musical sound
a place where work is done	interest and variety and intensity
the total output of a writer or artist (or a substantial part of it)	an outward or token appearance or form that is deliberately misleading
applying the mind to learning and understanding a subject (especially by reading)	(physics) the characteristic of quarks that determines their role in the strong interaction
(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	any material used for its color

work (adjective)	colour (adjective)
	having or capable of producing colors

work (verb)	colour (verb)
give a workout to	change color, often in an undesired manner
arrive at a certain condition through repeated motion	add color to
go sour or spoil	affect as in thought or feeling
cause to undergo fermentation	give a deceptive explanation or excuse for
find the solution to (a problem or question) or understand the meaning of	decorate with colors
use or manipulate to one's advantage	modify or bias
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