sticker vs poniard

sticker and poniard both are nouns.

Word	Noun	Adjective	Verb	Adverb
sticker	Yes	No	No	No
poniard	Yes	No	Yes	No

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

Other hyponyms of sticker include dirk, kirpan, crease, creese, kris, bodkin, stiletto.

sticker (noun)	poniard (noun)
a short knife with a pointed blade used for piercing or stabbing	a dagger with a slender blade
an adhesive label
a particularly difficult or baffling question or problem
a small sharp-pointed tip resembling a spike on a stem or leaf

sticker (verb)	poniard (verb)
	stab with a poniard