lance vs weapon

lance and weapon both are nouns.

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

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

Other hypernyms of lance include arm, weapon system.

lance (noun)	weapon (noun)
a long pointed rod used as a tool or weapon	any instrument or instrumentality used in fighting or hunting
an implement with a shaft and barbed point used for catching fish	a means of persuading or arguing
a surgical knife with a pointed double-edged blade; used for punctures and small incisions

lance (verb)	weapon (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