sticker vs stiletto

sticker and stiletto both are nouns.

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

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

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

sticker (noun)	stiletto (noun)
a short knife with a pointed blade used for piercing or stabbing	a small dagger with a tapered 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