work vs stamp

work and stamp both are nouns.

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

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

work (noun)	stamp (noun)
activity directed toward making or doing something	a device incised to make an impression; used to secure a closing or to authenticate documents
the occupation for which you are paid	a block or die used to imprint a mark or design
a product produced or accomplished through the effort or activity or agency of a person or thing	machine consisting of a heavy bar that moves vertically for pounding or crushing ores
a place where work is done	a symbol that is the result of printing or engraving
the total output of a writer or artist (or a substantial part of it)	a small adhesive token stuck on a letter or package to indicate that postal fees have been paid
applying the mind to learning and understanding a subject (especially by reading)	a small piece of adhesive paper that is put on an object to show that a government tax has been paid
(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	a type or class
	something that can be used as an official medium of payment
	the distinctive form in which a thing is made

work (verb)	stamp (verb)
give a workout to	destroy or extinguish as if by stamping with the foot
arrive at a certain condition through repeated motion	treat or classify according to a mental stereotype
go sour or spoil	to mark, or produce an imprint in or on something
cause to undergo fermentation	affix a stamp to
find the solution to (a problem or question) or understand the meaning of	raise in a relief
use or manipulate to one's advantage	crush or grind with a heavy instrument
to mix into a homogeneous mass	form or cut out with a mold, form, or die
perform as expected when applied	walk heavily
move into or onto	reveal clearly as having a certain character
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