boar vs tusk

boar and tusk both are nouns.

Word	Noun	Adjective	Verb	Adverb
boar	Yes	No	No	No
tusk	Yes	No	Yes	No

boar (noun)	tusk (noun)
an uncastrated male hog	a long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog
Old World wild swine having a narrow body and prominent tusks from which most domestic swine come; introduced in United States	a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses

boar (verb)	tusk (verb)
	remove the tusks of animals
	stab or pierce with a horn or tusk