stamp vs mould

stamp and mould both are nouns.

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

As nouns, stamp and mould are synonyms defined as:

Other synonyms of stamp include cast, mold.

As verbs, mould is a hypernym of stamp; that is, mould is a word with a broader meaning than stamp:

Other hypernyms of stamp include forge, form, mold, shape, work.

stamp (noun)	mould (noun)
a device incised to make an impression; used to secure a closing or to authenticate documents	container into which liquid is poured to create a given shape when it hardens
a block or die used to imprint a mark or design	sculpture produced by molding
machine consisting of a heavy bar that moves vertically for pounding or crushing ores	a distinctive nature, character, or type
a symbol that is the result of printing or engraving	a dish or dessert that is formed in or on a mold
a small adhesive token stuck on a letter or package to indicate that postal fees have been paid	a fungus that produces a superficial growth on various kinds of damp or decaying organic matter
a small piece of adhesive paper that is put on an object to show that a government tax has been paid	the process of becoming mildewed
a type or class	the distinctive form in which a thing is made
something that can be used as an official medium of payment	loose soil rich in organic matter
the distinctive form in which a thing is made

stamp (verb)	mould (verb)
destroy or extinguish as if by stamping with the foot	become moldy; spoil due to humidity
treat or classify according to a mental stereotype	shape or influence; give direction to
to mark, or produce an imprint in or on something	fit tightly, follow the contours of
affix a stamp to	form by pouring (e.g., wax or hot metal) into a cast or mold
raise in a relief	make something, usually for a specific function
crush or grind with a heavy instrument	form in clay, wax, etc
form or cut out with a mold, form, or die
walk heavily
reveal clearly as having a certain character