javelin vs lance

javelin and lance both are nouns.

Word	Noun	Adjective	Verb	Adverb
javelin	Yes	No	No	No
lance	Yes	No	Yes	No

As nouns, lance is a hypernym of javelin; that is, lance is a word with a broader meaning than javelin:

Other hypernyms of javelin include shaft, spear, sports equipment.

javelin (noun)	lance (noun)
a spear thrown as a weapon or in competitive field events	a long pointed rod used as a tool or weapon
an athletic competition in which a javelin is thrown as far as possible	an implement with a shaft and barbed point used for catching fish
	a surgical knife with a pointed double-edged blade; used for punctures and small incisions

javelin (verb)	lance (verb)
	open by piercing with a lancet
	pierce with a lance, as in a knights' fight
	move quickly, as if by cutting one's way