sticker vs bodkin

sticker and bodkin both are nouns.

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

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

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

sticker (noun)	bodkin (noun)
a short knife with a pointed blade used for piercing or stabbing	a blunt needle for threading ribbon through loops
an adhesive label	a small sharp-pointed tool for punching holes in leather or fabric
a particularly difficult or baffling question or problem	formerly a long hairpin; usually with an ornamental head
a small sharp-pointed tip resembling a spike on a stem or leaf	a dagger with a slender blade