dagger vs stiletto

dagger and stiletto both are nouns.

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

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

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

dagger (noun)	stiletto (noun)
a short knife with a pointed blade used for piercing or stabbing	a small dagger with a tapered blade
a character used in printing to indicate a second cross reference or footnote when the asterisk has already been used