bodkin vs dagger

bodkin and dagger both are nouns.

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

As nouns, dagger is a hypernym of bodkin; that is, dagger is a word with a broader meaning than bodkin:

Other hypernyms of bodkin include sticker.

bodkin (noun)	dagger (noun)
a blunt needle for threading ribbon through loops	a short knife with a pointed blade used for piercing or stabbing
a small sharp-pointed tool for punching holes in leather or fabric	a character used in printing to indicate a second cross reference or footnote when the asterisk has already been used
formerly a long hairpin; usually with an ornamental head
a dagger with a slender blade