pierce vs lance

pierce is not a noun while lance is a noun.

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

As verbs, lance is a hyponym of pierce; that is, lance is a word with a more specific, narrower meaning than pierce:

Other hyponyms of pierce include stick, stick, peg, center punch, empale, impale, spike, transfix, horn, tusk, gore.

pierce (noun)	lance (noun)
	a long pointed rod used as a tool or weapon
	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

pierce (verb)	lance (verb)
make a hole into	open by piercing with a lancet
penetrate or cut through with a sharp instrument	pierce with a lance, as in a knights' fight
cut or make a way through	move quickly, as if by cutting one's way
move or affect (a person's emotions or bodily feelings) deeply or sharply
sound sharply or shrilly